W32/RAHack!61d92bb4d7c4

This page shows details and results of our analysis on the malware W32/RAHack!61d92bb4d7c4

Download Current DAT: 6616

Threat Detail

Malware Type: Virus

Malware Sub-type: N/A

Discovery Date: 2009-08-21

Next Steps:

Overview
Characteristics
Symptoms
Method of Infection
Removal

Overview

This is a virus detection. Viruses are programs that self-replicate recursively, meaning that infected systems spread the virus to other systems, which then further propagate the virus. Although many viruses contain a destructive payload, it's quite common for viruses to do nothing more than spread from one system to another.

Minimum DAT

5716 (2009-08-21)

Updated DAT

5716 (2009-08-21)

Minimum Engine

5300.2777

File Length

78336

Description Added

2009-08-21

Description Modified

2009-08-21

Malware Proliferation

Characteristics

File Property	Property Value
FileName	Unavailable
McAfee Artemis	Artemis!61d92bb4d7c4
McAfee Detection	W32/RAHack
Length	78,336 bytes
CRC	351B71C2
MD5	61d92bb4d7c46c92efc5fb1e1a81f94c
SHA1	452EF879B0B76F0AFC2983EEE62799CD21C513A1

Other detections that have been observed.

FileName	McAfee Supported
%USERPROFILE%\local settings\temporary internet files\content.ie5 \zxbyvrni\senntbzs.exe	W32/RAHack

This sample can be identified by the following symptoms.

System Changes

These are general defaults for typical path variables. (Although they may differ, these examples are common.):
%WinDir% = \WINDOWS (Windows 9x/ME/XP/Vista), \WINNT (Windows NT/2000)
%SystemDir% = \WINDOWS\SYSTEM (Windows 98/ME), \WINDOWS\SYSTEM32 (Windows XP/Vista), \WINNT\SYSTEM32 (Windows NT/2000)
%ProgramFiles% = \Program Files

The following files were analyzed:

%USERPROFILE%\local settings\temp\61d92bb4d7c46c92efc5fb1e1a81f94c.exe

The following registry elements have been created:

HKEY_LOCAL_MACHINE\software\classes\clsid\{74d9bbb9-a8fb-19a6-45d6-6c14ae3c92c5}\

(default) = brzbqblwncvvnkez

HKEY_LOCAL_MACHINE\software\classes\clsid\{f9e22909-0513-1faf-a681-c71be14553d6}\

(default) = jtvkqeesevcxrlhj

Symptoms

This symptoms of this detection are the files, registry, and network communication referenced in the characteristics section.

Method of Infection

Viruses are self-replicating. They are often spread by a network or by transmission to a removable medium such as a removable disk, writable CD, or USB drive. Viruses may also spread by infecting files on a network file system or a file system that is shared by another computer.

Removal

All Users:

Please use the following instructions for all supported versions of Windows to remove threats and other potential risks:

1.Disable System Restore .

2.Update to current engine and DAT files for detection and removal.

3.Run a complete system scan.

Modifications made to the system Registry and/or INI files for the purposes of hooking system startup, will be successfully removed if cleaning with the recommended engine and DAT combination (or higher).

1. Please go to the Microsoft Recovery Console and restore a clean MBR.

On windows XP:

Insert the Windows XP CD into the CD-ROM drive and restart the computer.
When the "Welcome to Setup" screen appears, press R to start the Recovery Console.
Select the Windows installation that is compromised and provide the administrator password
Issue 'fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

On Windows Vista and 7:

Insert the Windows CD into the CD-ROM drive and restart the computer.
Click on "Repair Your Computer"
When the System Recovery Options dialog comes up, choose the Command Prompt.
Issue 'bootrec /fixmbr' command to restore the Master Boot Record
Follow onscreen instructions
Reset and remove the CD from CD-ROM drive.

W32/RAHack!61d92bb4d7​c4