Analysis by: Francis Xavier Antazo
ALIASES:

a variant of Win32/Ponmocup.EA (ESET), Trojan.Milicenso!gen (Symantec),

 PLATFORM:

Windows

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

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

  TECHNICAL DETAILS

File Size: 114,688 bytes
File Type: DLL
Memory Resident: Yes
Initial Samples Received Date: 23 Feb 2015

Arrival Details

This Trojan may be dropped by other malware.

It arrives as a component bundled with malware/grayware packages.

NOTES:

The following export function is used by another malware:

  • qmfmgri

It requires the following information on the affected machine where it was installed in order to decrypt and load its code which contains the intended routine:

  • %System Root%\System Volume Information
  • Volume Serial Number
  • Creation time of %System%

  SOLUTION

Minimum Scan Engine: 9.750
FIRST VSAPI PATTERN FILE: 11.498.06
FIRST VSAPI PATTERN DATE: 23 Feb 2015
VSAPI OPR PATTERN File: 11.499.00
VSAPI OPR PATTERN Date: 24 Feb 2015

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

Scan your computer with your Trend Micro product and note files detected as TROJ_PONMOCUP.XXPU

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete the file detected as TROJ_PONMOCUP.XXPU

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden files in the search result.

Step 5

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_PONMOCUP.XXPU. 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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