Analysis by: Erika Bianca Mendoza
 PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This Trojan is a component of other malware.

  TECHNICAL DETAILS

File Size: 4608 Bytes bytes
File Type: EXE
Memory Resident: Yes

Installation

This Trojan drops the following copies of itself into the affected system:

  • ZASRAKOMONDOHUI31338.EXE

It injects itself into the following processes running in the affected system's memory:

  • iexplore.exe
  • firefox.exe
  • chrome.exe
  • safari.exe

It is a component of other malware.

Other System Modifications

This Trojan adds the following registry keys:

HKEY_LOCAL_MACHINE\Microsoft\Windows NT\
CurrentVersion\Image File Execution Options\RapportMgmtService.exe
Debugger = ZASRAKOMONDOHUI31338.EXE

HKEY_LOCAL_MACHINE\Microsoft\Windows NT\
CurrentVersion\Image File Execution Options\RapportService
Debugger = ZASRAKOMONDOHUI31338.EXE

  SOLUTION

Minimum Scan Engine: 8.900

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

Restart in Safe Mode

[ Learn More ]

Step 3

Scan your computer with your Trend Micro product to delete files detected as TROJ_TDSS.SAX. 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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