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WORM_KEPSY.A
Aliases: Backdoor:Win32/Caphaw.N (Microsoft), Troj/Shype-A (Sophos)
Malware type: Worm
Destructive: No
Platform: Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)
In the wild: Yes

Overview


This worm may be dropped by other malware.

It is a component of other malware.

Technical Details


File size: 284,672 bytes
File type: DLL
Initial samples received date: 18 Jan 2013

Arrival Details

This worm may be dropped by the following malware:

  • WORM_BUBLIK

Installation

This worm is a component of other malware.

NOTES:
This worm is a plugin used by WORM_BUBLIK malware in order to propagate via Skype. This also has the capability to clear Skype Message history.

Solution


Minimum scan engine: 9.300
First VSAPI Pattern File: 9.666.05
First VSAPI Pattern Release Date: 19 Jan 2013
VSAPI OPR Pattern Version: 9.667.00
VSAPI OPR Pattern Release Date: 20 Jan 2013

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 WORM_KEPSY.A

     WORM_BUBLIK

Step 3

Scan your computer with your Trend Micro product to delete files detected as WORM_KEPSY.A. 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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Analysis By: Mark Joseph Manahan

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