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Threat Encyclopedia

PE_VIRUX.R


ALIASES:

TrojanSpy:Win32/Vwealer.KZ (Microsoft); W32/Virut.n.gen (McAfee); W32.SillyWNSE (Symantec); Trojan.Win32.Swisyn.buvc (Kaspersky); Virus.Win32.Virut.ce.5 (v) (Sunbelt); Trojan.Spy.Agent.NKG (FSecure)

PLATFORM:

Windows 2000, XP, Server 2003

OVERALL RISK RATING:
REPORTED INFECTION:

  • Threat Type:File infector

  • Destructiveness:No

  • Encrypted:

  • In the wild: Yes

OVERVIEW


This file infector 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:

249,856 bytes

File Type:

EXE

Initial Samples Received Date:

30 Sep 2011

Arrival Details

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

Autostart Technique

This file infector adds the following registry entries to enable its automatic execution at every system startup:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Run
(Default) = "%Windows%\svchost.exe"

This report is generated via an automated analysis system.

SOLUTION

Minimum Scan Engine:

9.200

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

Restart in Safe Mode

[ Learn More ]

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\Microsoft\Windows\CurrentVersion\Run
    • (Default)="%Windows%\svchost.exe"

Step 4

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