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TROJ_FKEPLAYR.CH
Aliases: Trojan.ADH (Symantec) ; TrojanDropper:Win32/Bohu.A (Microsoft)
Malware type: Trojan
Destructive: No
Platform: Windows 2000, Windows XP, Windows Server 2003
Encrypted: No
In the wild: Yes

Overview


It drops TROJ_GORIADU.SMX and TROJ_GORIADU.SMZ.

This Trojan may be dropped by other malware. It may be unknowingly downloaded by a user while visiting malicious websites.

It executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

Technical Details


File size: Varies
File type: PE
Memory resident: Yes
Initial samples received date: 20 Jan 2011
Payload: Drops files

Arrival Details

This Trojan may be dropped by other malware.

It may be unknowingly downloaded by a user while visiting malicious websites.

Installation

This Trojan drops the following files:

  • %Current%\uuse-{number}.exe - detected as TROJ_GORIADU.SMZ
  • %Program Files%\baidu\msfsg.exe - detected as TROJ_GORIADU.SMX
  • %Program Files%\baidu\temp{number}.ini - configuration file
  • %Program Files%\baidu\dsop7.xml - encrypted executable file
  • %Program Files%\baidu\s0001.xml - encrypted executable file
  • %Program Files%\baidu\un{number}.exe - fake uninstaller (deletes only itself after execution)

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)

It creates the following folders:

  • %Program Files%\baidu

(Note: %Program Files% is the default Program Files folder, usually C:\Program Files.)

Dropping Routine

This Trojan executes the dropped file(s). As a result, malicious routines of the dropped files are exhibited on the affected system.

Solution


Minimum scan engine: 8.900
First VSAPI Pattern File: 7.780.14
First VSAPI Pattern Release Date: 21 Jan 2011
VSAPI OPR Pattern Version: 7.783.00
VSAPI OPR Pattern Release Date: 21 Jan 2011

Step 1

For Windows XP and Windows Server 2003 users, before doing any scans, please make sure you disable System Restore to allow full scanning of your computer.

Step 2

Remove malware files dropped/downloaded by TROJ_FKEPLAYR.CH

    • TROJ_GORIADU.SMX
    • TROJ_GORIADU.SMZ

Step 3

Search and delete this folder

[ 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.
  • %Program Files%\baidu

Step 4

Scan your computer with your Trend Micro product to delete files detected as TROJ_FKEPLAYR.CH. 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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Analysis By: Roland Marco Dela Paz
Modified By: jasperm

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