Analysis by: Christopher Daniel So
 Modified by: Cris Nowell Pantanilla
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

Infection Channel: Infects files

This is a file infected by PE_FUJACKS.RC-O and PE_FUJACKS.DC-O.

This file infector does not have any propagation routine.

It does not have any backdoor routine.

It does not have any downloading capability.

It does not have any information-stealing capability.

  TECHNICAL DETAILS

File Size: Varies
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 05 Jun 2010

Propagation

This file infector does not have any propagation routine.

Backdoor Routine

This file infector does not have any backdoor routine.

Download Routine

This file infector does not have any downloading capability.

Information Theft

This file infector does not have any information-stealing capability.

NOTES:

Rootkit Capabilities

This file infector does not have rootkit capabilities.

Other Details

This is a file infected by PE_FUJACKS.RC-O and PE_FUJACKS.DC-O.

This infected file drops its mother file as the following:

  • %System%\drivers\Messages.exe
  • %System%\drivers\TXPlatform.exe

(Note: %System% is the Windows system folder, which is usually C:\Windows\System on Windows 98 and ME, C:\WINNT\System32 on Windows NT and 2000, or C:\Windows\System32 on Windows XP and Server 2003.)

The infected file executes the dropped mother file. As a result, malicious routines of the dropped files are exhibited on the affected system.

This file infector does not exploit any vulnerability.

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 7.218.18
FIRST VSAPI PATTERN DATE: 05 Jun 2010
VSAPI OPR PATTERN File: 7.219.00
VSAPI OPR PATTERN Date: 05 Jun 2010

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

Remove the malware/grayware file dropped/downloaded by PE_FUJACKS.RC

Step 3

Identify and terminate files detected as PE_FUJACKS.RC

[ Learn More ]
  1. Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  2. If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  3. If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.

Step 4

Scan your computer with your Trend Micro product to delete files detected as PE_FUJACKS.RC. 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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