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TROJ_FAKESYSD.RU

October 09, 2012
 ALIASES:

Trojan:Win32/FakeSysdef (Microsoft); Troj/FakeAV-EVL (Sophos)

 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 may be downloaded by other malware/grayware from remote sites.

It connects to certain websites to send and receive information.

  TECHNICAL DETAILS

File Size:

446,336 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

01 Dec 2011

Arrival Details

This Trojan may be downloaded by the following malware/grayware from remote sites:

  • TROJ_DLOADR.IWA

It may be downloaded from the following remote sites:

  • http://{BLOCKED}munity.ru/load.php?file={parameter}

Other System Modifications

This Trojan adds the following registry entries as part of its installation routine:

HKEY_CURRENT_USER\Control Panel
5761b2dc-ce77-4bfa-b965-6f33b1867cf2 =

Other Details

This Trojan connects to the following website to send and receive information:

  • http://{BLOCKED}tybask.com/up.php
  • http://{BLOCKED}idetor.com/up.php

  SOLUTION

Minimum Scan Engine:

9.200

FIRST VSAPI PATTERN FILE:

8.616.09

FIRST VSAPI PATTERN DATE:

01 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

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_CURRENT_USER\Control Panel
    • 5761b2dc-ce77-4bfa-b965-6f33b1867cf2

Step 3

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