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TROJ_ZEMOT.WPU

August 18, 2014
 ALIASES:

Generic-FAUV!5A5A21460DA8 (McAfee); Trojan.FakeAV (Symantec); Trojan.Win32.Inject.oivt (Kaspersky); Mal/Fondu-D (Sophos); Trojan.Win32.Generic!BT (Sunbelt); Trojan horse Inject2.APZB (AVG)

 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:

  • 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:

98,304 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

18 Aug 2014

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 System Modifications

This Trojan adds the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Chcvifhsno

HKEY_CURRENT_USER\SOFTWARE\Chcvifhsno

It adds the following registry entries:

HKEY_LOCAL_MACHINE\SOFTWARE\Chcvifhsno
License = "d55"

HKEY_CURRENT_USER\Software\Chcvifhsno
License = "d55"

Other Details

This Trojan connects to the following possibly malicious URL:

  • http://{BLOCKED}er.su/b/shoe/54608
  • http://{BLOCKED}er.su/mod_articles-pol5.6/jquery
  • {BLOCKED}.58.119
  • {BLOCKED}.117.83
  • {BLOCKED}.122.58
  • {BLOCKED}.181.236

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.700

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

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE
    • Chcvifhsno
  • In HKEY_CURRENT_USER\SOFTWARE
    • Chcvifhsno

Step 3

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_LOCAL_MACHINE\SOFTWARE\Chcvifhsno
    • License = "d55"
  • In HKEY_CURRENT_USER\Software\Chcvifhsno
    • License = "d55"

Step 4

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