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TROJ_ADLOAD.KD

May 25, 2013
 ALIASES:

Trojan:Win32/Startpage.GX (Microsoft); Downloader-CBG (McAfee); Downloader.Trojan (Symantec); Trojan-Downloader.Win32.Adload.nhd (Kaspersky); Trojan.Win32.Malware (fs) (Sunbelt); Trojan horse Downloader.Generic9.ABEQ (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:

780,812 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

25 May 2013

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.

Other System Modifications

This Trojan adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Advanced INF Setup\strLink

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Advanced INF Setup\appTitle

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Advanced INF Setup\proRunNum

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Advanced INF Setup
proRunNum = "1"

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

Delete this registry key

[ 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_LOCAL_MACHINE\SOFTWARE\Microsoft\Advanced INF Setup
    • strLink
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Advanced INF Setup
    • appTitle
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Advanced INF Setup
    • proRunNum

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_LOCAL_MACHINE\SOFTWARE\Microsoft\Advanced INF Setup
    • proRunNum = "1"

Step 4

Scan your computer with your Trend Micro product to delete files detected as TROJ_ADLOAD.KD. 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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