Analysis by: Karl Dominguez
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This Trojan arrives as a component bundled with malware/grayware packages. It may be dropped by other malware.

Its rootkit functionalities are used by other malware/grayware. It also has rootkit capabilities, which enables it to hide its processes and files from the user.

  TECHNICAL DETAILS

File Size: 11,504 bytes
File Type: PE
Initial Samples Received Date: 14 Feb 2011

Arrival Details

This Trojan arrives as a component bundled with malware/grayware packages.

It may be dropped by the following malware:

  • PE_GWAPOMI.A-O

Rootkit Capabilities

This Trojan s rootkit functionalities are used by other malware/grayware.

It also has rootkit capabilities, which enables it to hide its processes and files from the user.

  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

Remove malware files dropped/downloaded by RTKT_WAPOMI.A

Step 3

Scan your computer with your Trend Micro product and note files detected as RTKT_WAPOMI.A

Step 4

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\SYSTEM\CurrentControlSet\Services
    • {malware file name}

Step 5

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