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PE_WAPOMI.SM

February 12, 2014
 Modified by: Sabrina Lei Sioting
 ALIASES:

Virus:Win32/Mikcer.A (Microsoft), W32.Wapomi.C!inf (Symantec), W32/Simfect (McAfee), Win32.Jadtre.I (FSecure), W32.Virus.Wapomi-1 (Clamav), Virus.Win32.Otwycal (Ikarus), Win32/Wapomi.AA (Eset),

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: File infector

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

This file infector 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:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

04 Oct 2012

Payload:

Drops files

File Infection

This is the Trend Micro detection for files infected by:

  • PE_WAPOMI

Dropping Routine

This file infector drops the following files:

  • %System Root%\4d0b1f63.exe - detected as PE_WAPOMI.S-O

(Note: %System Root% is the root folder, which is usually C:\. It is also where the operating system is located.)

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

NOTES:

It executes a shell code embedded on itself.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

9.440.04

FIRST VSAPI PATTERN DATE:

04 Oct 2012

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_WAPOMI.SM

    PE_WAPOMI.S-O

Step 3

Scan your computer with your Trend Micro product to clean files detected as PE_WAPOMI.SM. 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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