File Investigation Report
79837464.SVDCloaked Malware
Your PC is infected. The file called 79837464.SVD is considered unsafe and there may be other infections on your PC.
You should urgently check your PC and remove any malicious software including 79837464.SVD as soon as possible. The free version of Prevx CSI will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't put your confidential data, or your identity at risk, check your PC now with Prevx CSI.
Associated Malware Groups
The filename is associated with the malware group:
- Cloaked Malware
File Behavior
79837464.SVD has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- The Process is polymorphic and can change its structure
- This Process Creates Other Processes On Disk
- This Process Deletes Other Processes From Disk
- Loads and Executes a System Driver File
- Executes a Process
- Registers a Dynamic Link Library File
- Injects code into other processes
- Writes to another Process's Virtual Memory (Process Hijacking)
- Violates Prevx File Security Settings
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
- Adds Products to the system registry
- Creates a new Background Service on the machine
- Disables safe mode on your PC
- The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
- Modifies Windows Initialization And System Settings Used On Start up
79837464.SVD has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Created as a process on disk
- Executed as a Process
- Deleted as a process from disk
- Executed from Temporary Folders
- Downloaded from covert web sites without the user knowing
- Copied to multiple locations on the system
- This program is often downloaded from the web
- Registered as a Dynamic Link Library File
- Executed by Internet Explorer
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
- Created as a new Background Service on the machine
Country Of Origin
The filename 79837464.SVD was first seen on Dec 8 2007 in the following geographical regions of the Prevx community:
- ITALY on Dec 8 2007
- The EUROPEAN UNION on Dec 13 2007
- RUSSIAN FEDERATION on Jan 28 2008
- SPAIN on Mar 12 2008
- GERMANY on Mar 16 2008
- URUGUAY on Mar 16 2008
- The UNITED KINGDOM on Aug 23 2008
File Name Aliases
79837464.SVD can also use the following file names:
- HELP[1].EXE
- 84574796.DAT
- HELP.EXE
- AMVO.EXE
- 22WCB21O.EXE
- 50695055.SVD
- 48841426.DAT
- HELP[3].EXE
- 01980317.EXE
- 02507904.EXE
- HELP[2].EXE
- N1DEIECT.COM
- 50150025.EXE
- 83552644.EXE
- 82025395.DAT
- SAMPLE.COM
- 50440177.DAT
- YLR.EXE
- 27320641.EXE
- X.COM
- DPTTWO~1.COM
- XP19.COM
- 85702547.SVD
- HELP.EXE.TMP
- NIDEIECT.COM
- MGG.EXE
- 38254215.DAT
- 29276564.COM
- 36898313.DAT
- MGG[1].EXE
Filesizes
The following file size has been seen:
- 101,492 bytes
- 123,960 bytes
- 104,734 bytes
- 160,768 bytes
- 101,295 bytes
- 122,368 bytes
- 123,422 bytes
Vendor, Product and Version Information
Files with the name 79837464.SVD have been seen to have the following Vendor, Product and Version Information in the file header:
- Microsoft Corporation; Command Line Help Utility; 5.1.2600.0
- Microsoft Corporation; Utilidad de ayuda de la línea de comandos; 5.1.2600.0
File Type
The filename 79837464.SVD refers to many versions of an executable program.
File Activity
One or more files with the name 79837464.SVD creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\22umqpcg.dll
- Deletes c:\docume~1\user\locals~1\temp\m1s7hy.sy
- Creates c:\docume~1\user\locals~1\temp\m1s7hy.sys
- Deletes c:\windows\system32\amvo.exe
- Deletes c:\windows\system32\amvo0.dll
- Creates c:\windows\system32\amvo0.dll
- Deletes c:\22wcb21o.ex
- Copies filec:\windows\system32\amvo.exe to c:\22wcb21o.ex
- Deletes c:\autorun.in
- Creates c:\autorun.in
- Deletes d:\22wcb21o.ex
- Copies filec:\windows\system32\amvo.exe to d:\22wcb21o.ex
- Deletes d:\autorun.in
- Creates d:\autorun.in
- Deletes c:\docume~1\user\locals~1\temp\help.rar
- Deletes c:\docume~1\user\locals~1\temp\help.ex
- Opens/modifes c:\autoexec.bat
- Deletes c:\docume~1\user\locals~1\temp\b.sy
- Creates c:\docume~1\user\locals~1\temp\b.sys
- Copies filec:\docume~1\user\locals~1\temp\help.exe to c:\windows\system32\amvo.exe
Registry Activity
One or more files with the name 79837464.SVD creates or modifies the following registry keys and values:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run amva C:\WINDOWS\system32\amvo.exe
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced Hidden value:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced ShowSuperHidden value:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer NoDriveTypeAutoRun [REG_DWORD, value: 00000091]
Website Activity
One or more files with the name 79837464.SVD interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1050 Port:18
- Port 80 IP:60.169.1.92
- TCP:127.0.0.1:1053 Port:18