PE_VIRUX.J
Trojan:Win32/Hioles.C (Microsoft); W32/Virut.n.gen (McAfee); W32.Virut.CF (Symantec); Virus.Win32.Virut.ce (Kaspersky); Virus.Win32.Virut.ce (v) (Sunbelt); Backdoor.Generic.696128 (FSecure)
Windows 2000, Windows XP, Windows Server 2003
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
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.
Other System Modifications
This file infector modifies the following registry entries:
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\
Control\SecurityProviders
SecurityProviders = "msapsspc.dll, schannel.dll, digest.dll, msnsspc.dll, OnrijleyRaqw.dll"
(Note: The default value data of the said registry entry is msapsspc.dll, schannel.dll, digest.dll, msnsspc.dll.)
Dropping Routine
This file infector drops the following files:
- %System%\OnrijleyRaqw.dll
(Note: %System% is the Windows system folder, which is usually C:\Windows\System32.)
This report is generated via an automated analysis system.
SOLUTION
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
Restore these modified registry values
Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.
- In HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\SecurityProviders
- From: SecurityProviders = "msapsspc.dll, schannel.dll, digest.dll, msnsspc.dll, OnrijleyRaqw.dll"
To: SecurityProviders = ""msapsspc.dll, schannel.dll, digest.dll, msnsspc.dll""
- From: SecurityProviders = "msapsspc.dll, schannel.dll, digest.dll, msnsspc.dll, OnrijleyRaqw.dll"
Step 3
Search and delete this file
- %System%\OnrijleyRaqw.dll
Step 4
Scan your computer with your Trend Micro product to clean files detected as PE_VIRUX.J. 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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