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LNK_PENEPE.D

October 08, 2012
 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan arrives as a component bundled with malware/grayware packages. It may arrive using one or multiple arrival methods.

This is the Trend Micro detection for files that exhibit certain behaviors.

  TECHNICAL DETAILS

File Size:

538 bytes

File Type:

LNK

Memory Resident:

No

Initial Samples Received Date:

08 Feb 2011

Payload:

Executes a malicious script file

Arrival Details

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

It arrives via the following means:

  • Dropped along with the following component files:
    • C:\Win.Msi\alg.vbs - detected by Trend Micro as VBS_PENEPE.C
    • C:\Win.Msi\cssrs.exe - non-malicious file; open source proxy server from 3proxy.ru
    • C:\Win.Msi\System.exe - non-malicious file; open source command-line connection utility from PuTTY

Other Details

This is the Trend Micro detection for:

  • a shortcut file pointing to C:\Win.Msi\alg.vbs, which is detected by Trend Micro as VBS_PENEPE.C. The said malware copies the this LNK file into the Windows Startup folder as DISKDOCTOR.LNK for its autostart technique. It usually arrives with other component files in a self-extracting archive downloaded unknowingly by a user from links in spam mails.

  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 LNK_PENEPE.D

Step 3

Search and delete this folder

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • C:\Win.Msi

Step 4

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