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TROJ_PONMOCUP.AI

January 20, 2015
 Analysis by: Michael John Marcos
 ALIASES:

Win32/Ponmocup.AA trojan (Eset), Trojan.Win32.Priminay (Ikarus)

 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

Infection Channel:

Downloaded from the Internet


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

It requires its main component to successfully perform its intended routine.

  TECHNICAL DETAILS

File Size:

663,552 bytes

File Type:

DLL

Memory Resident:

Yes

Initial Samples Received Date:

19 Jan 2015

Arrival Details

This Trojan may be dropped by other malware.

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

Other Details

This Trojan requires its main component to successfully perform its intended routine.

NOTES:

The export function PHEOJSI is used by its main component. This Trojan exports the following functions, which are used by its main component:

  • Communicating with malware C&C
  • Hooking NtQueryInformationProcess API

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

11.424.03

FIRST VSAPI PATTERN DATE:

20 Jan 2015

VSAPI OPR PATTERN File:

11.425.00

VSAPI OPR PATTERN Date:

20 Jan 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.AI

Step 3

Restart in Safe Mode

[ Learn More ]

Step 4

Search and delete the file detected as TROJ_PONMOCUP.AI

[ 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.AI. 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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