Modified by: Rhena Inocencio
ALIASES:

TrojanDownloader:Win32/Karagany.I (Microsoft), Trojan.Gen (Symantec), PWS-Zbot.gen.hv (McAfee), Trojan-Ransom.Win32.Gimemo.utt (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: 36,352 bytes
File Type: EXE
Memory Resident: Yes
Initial Samples Received Date: 10 Jun 2012

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}.{BLOCKED}.255.147/182306.html

  SOLUTION

Minimum Scan Engine: 9.200
FIRST VSAPI PATTERN FILE: 9.186.02
FIRST VSAPI PATTERN DATE: 10 Jun 2012
VSAPI OPR PATTERN File: 9.187.00
VSAPI OPR PATTERN Date: 11 Jun 2012

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

Scan your computer with your Trend Micro product and note files detected as TROJ_KRYPTIK.MHJ

Step 3

Terminate a process file/s detected as TROJ_KRYPTIK.MHJ

[ Learn More ]

*Note: If the detected file/s is/are not displayed in theWindows Task Manager, continue doing the next steps.

Step 4

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