TROJ_DROPPR.AD

April 11, 2014
 ALIASES:

Trojan:Win32/Kilim.J (Microsoft); RDN/Generic.dx!d2f (McAfee); Trojan.Win32.Generic!BT (Sunbelt); Found Win32/DH{ADV9ATYlVxM5Dw} (AVG)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

918,667 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

11 Apr 2014

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This Trojan creates the following folders:

  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Default//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Application Data//Opera Software//Opera Stable//Extensions
  • %System Root%//Documents and Settings//Wilbert//Application Data//Opera Software//Opera Stable//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 1//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 1//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 2//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 2//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 3//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 3//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 4//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 4//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 5//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 5//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 6//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 6//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 7//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 7//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 8//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 8//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 9//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 9//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 10//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 10//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 11//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 11//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 12//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 12//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 13//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 13//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 14//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 14//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 15//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 15//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 16//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 16//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 17//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 17//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 18//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 18//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 19//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 19//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 20//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 20//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 21//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 21//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 22//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 22//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 23//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 23//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 24//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 24//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 25//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 25//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 26//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 26//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 27//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 27//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 28//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 28//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 29//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 29//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 30//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 30//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

Autostart Technique

This Trojan adds the following registry entries to enable its automatic execution at every system startup:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Run
winregistery = "%User Profile%\Application Data\winregister.exe"

Dropping Routine

This Trojan drops the following files:

  • %User Profile%\Application Data\registerymane.cmd
  • %User Profile%\Application Data\winregist.er
  • %User Profile%\Application Data\extension.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Default//Preferences
  • %System Root%//Documents and Settings//Wilbert//Application Data//Opera Software//Opera Stable//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 1//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 2//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 3//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 4//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 5//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 6//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 7//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 8//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 9//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 10//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 11//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 12//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 13//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 14//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 15//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 16//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 17//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 18//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 19//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 20//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 21//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 22//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 23//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 24//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 25//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 26//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 27//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 28//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 29//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 30//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Default//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Application Data//Opera Software//Opera Stable//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 1//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 2//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 3//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 4//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 5//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 6//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 7//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 8//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 9//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 10//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 11//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 12//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 13//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 14//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 15//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 16//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 17//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 18//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 19//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 20//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 21//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 22//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 23//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 24//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 25//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 26//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 27//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 28//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 29//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 30//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll

(Note: %User Profile% is the current user's profile folder, which is usually C:\Documents and Settings\{user name} on Windows 2000, XP, and Server 2003, or C:\Users\{user name} on Windows Vista and 7.. %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}itbox.com/feicoder/key.php
  • http://{BLOCKED}itbox.com/feicoder2/ext.dll
  • http://{BLOCKED}er.com/feicoder/update.exe

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Restart in Safe Mode

[ Learn More ]

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • winregistery = "%User Profile%\Application Data\winregister.exe"

Step 4

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Profile%\Application Data\registerymane.cmd
  • %User Profile%\Application Data\winregist.er
  • %User Profile%\Application Data\extension.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Default//Preferences
  • %System Root%//Documents and Settings//Wilbert//Application Data//Opera Software//Opera Stable//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 1//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 2//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 3//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 4//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 5//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 6//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 7//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 8//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 9//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 10//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 11//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 12//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 13//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 14//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 15//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 16//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 17//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 18//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 19//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 20//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 21//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 22//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 23//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 24//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 25//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 26//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 27//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 28//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 29//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 30//Preferences
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Default//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Application Data//Opera Software//Opera Stable//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 1//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 2//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 3//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 4//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 5//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 6//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 7//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 8//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 9//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 10//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 11//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 12//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 13//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 14//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 15//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 16//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 17//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 18//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 19//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 20//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 21//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 22//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 23//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 24//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 25//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 26//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 27//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 28//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 29//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 30//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho//ext.dll

Step 5

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Default//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Application Data//Opera Software//Opera Stable//Extensions
  • %System Root%//Documents and Settings//Wilbert//Application Data//Opera Software//Opera Stable//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 1//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 1//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 2//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 2//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 3//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 3//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 4//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 4//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 5//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 5//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 6//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 6//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 7//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 7//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 8//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 8//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 9//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 9//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 10//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 10//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 11//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 11//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 12//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 12//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 13//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 13//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 14//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 14//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 15//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 15//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 16//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 16//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 17//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 17//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 18//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 18//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 19//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 19//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 20//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 20//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 21//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 21//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 22//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 22//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 23//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 23//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 24//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 24//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 25//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 25//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 26//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 26//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 27//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 27//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 28//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 28//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 29//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 29//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 30//Extensions
  • %System Root%//Documents and Settings//Wilbert//Local Settings//Application Data//Google//Chrome//User Data//Profile 30//Extensions//eflfaapkolfmjbcbhffgnhinjekajpho

Step 6

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_DROPPR.AD. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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