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TROJ_GEMINI.AAV

October 09, 2012
 Analysis by: Christopher Daniel So
 ALIASES:

TrojanDownloader:Win32/Karagany.G (Microsoft), Downloader-CMK.gen.f (McAfee), Trojan.Win32.Inject.cbeo (Kaspersky)

 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

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

  • Threat Type: Trojan

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW


This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

17,920 bytes

File Type:

EXE

Memory Resident:

Yes

Initial Samples Received Date:

09 Dec 2011

Arrival Details

This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}ynick.osa.pl/showthread.php?t=522221
  • http://www.{BLOCKED}e.pl/index.html

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.636.01

FIRST VSAPI PATTERN DATE:

09 Dec 2011

VSAPI OPR PATTERN File:

8.637.00

VSAPI OPR PATTERN Date:

11 Dec 2011

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

Restart in normal mode and scan your computer with your Trend Micro product for files detected as TROJ_GEMINI.AAV. 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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