Analysis by: Kathleen Notario
 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 is the Trend Micro detection for Win32 Self-Extracting Cabinet files created by WORM_PROLACO.EK. The said file contains a copy of WORM_PROLACO.EK and an .EXE or .MSI file, which it finds in network drives.

It drops and runs a copy of WORM_PROLACO.EK, as well as the .EXE or .MSI application bundled with it in the user's Temp folder.

  TECHNICAL DETAILS

File Size: Varies
File Type: PE
Memory Resident: No
Initial Samples Received Date: 14 Dec 2010
Payload: Drops files

Other Details

This Trojan does the following:

  • Drops and runs a copy of WORM_PROLACO.EK, as well as the .EXE or .MSI application bundled with it in the user's Temp folder.

NOTES:

This is the Trend Micro detection for:

  • Win32 Self-Extracting Cabinet files created by WORM_PROLACO.EK. The said file contains a copy of WORM_PROLACO.EK and an .EXE or .MSI file, which it finds in network drives.

  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 TROJ_DROPLACO.WY

Step 3

AUTOMATIC REMOVAL INSTRUCTIONS

To automatically remove this malware from your system, use Trend Micro's special fixtool. Download, extract, and run the said fixtool in the same folder where your latest Trend Micro pattern file is located. For more details, refer to the fixtool's incorporated text file.

MANUAL REMOVAL INSTRUCTIONS

Step 4

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