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TROJ_CYCOOMER.A

April 08, 2014
 Analysis by: Mark Joseph Manahan
 ALIASES:

Trojan horse Delf.AOOC (AVG) , (Microsoft) , (McAfee) , (Eset) , (Symantec)

 PLATFORM:

Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted: No

  • In the wild: Yes

  OVERVIEW

This Trojan may be dropped by other malware.

  TECHNICAL DETAILS

File Size:

118,784 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

03 Apr 2014

Arrival Details

This Trojan may be dropped by the following malware:

  • TROJ_ARTIEF.NSA

NOTES:

It reads non-binary files on drives {C-Z} and write its data on {Current Directory}\{random filename}.{random extension}. The original file will be then deleted afterwards.

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.704.09

FIRST VSAPI PATTERN DATE:

03 Apr 2014

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 that dropped/downloaded TROJ_CYCOOMER.A

    • TROJ_ARTIEF.NSA

Step 3

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