ALIASES:

Virus:Win32/Slugin.A (Microsoft); W32/Wplugin (McAfee); W32.Slugin.A!inf (Symantec); Trojan.Win32.Patched.dj (Kaspersky); Virus.Win32.Slugin.a (v) (Sunbelt); Win32.SlugIn.A (FSecure)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This file infector 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: 199,651 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 13 Apr 2012

Arrival Details

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

Dropping Routine

This file infector drops the following files:

  • %User Profile%\Application Data\Wplugin.dll
  • %Windows%\explorer.exe.local
  • %Program Files%\Messenger\msmsgs.exe.local
  • %System Root%\rarreg.key
  • %Windows%\Wplugin.dll
  • %Windows%\ws2help.dll
  • %Program Files%\Messenger\ws2help.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.. %Windows% is the Windows folder, where it usually is C:\Windows on all Windows operating system versions.. %Program Files% is the Program Files folder, where it usually is C:\Program Files on all Windows operating system versions; C:\Program Files (x86) for 32-bit applications running on Windows 64-bit operating systems.. %System Root% is the Windows root folder, where it usually is C:\ on all Windows operating system versions.)

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine: 9.200

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

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\Wplugin.dll
  • %Windows%\explorer.exe.local
  • %Program Files%\Messenger\msmsgs.exe.local
  • %System Root%\rarreg.key
  • %Windows%\Wplugin.dll
  • %Windows%\ws2help.dll
  • %Program Files%\Messenger\ws2help.dll

Step 3

Scan your computer with your Trend Micro product to clean files detected as PE_WPLUG.A. 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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