File Investigation Report
REGVCS.EXECloaked Malware
Your PC may be infected. The presence of a file called REGVCS.EXE is a possible sign of infection.
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Associated Malware Groups
The unsafe files using this name are associated with the malware group:
- Cloaked Malware
File Behavior
REGVCS.EXE has been seen to perform the following behavior:
- Executes a Process
- Writes to another Process's Virtual Memory (Process Hijacking)
- Adds a Registry Key (RUN) to auto start Programs on system start up
- This Process Creates Other Processes On Disk
- This Process Deletes Other Processes From Disk
- Disables the built in Windows File Protection System
- Can communicate with other computer systems using HTTP protocols
- Disables the Notification Baloon for the Windows Security Center
- Disables Access to the Task Manager built into Windows
- Disables the Windows Security Center Service
- Disables Access to the Windows Registry Editior
- Enables Access to the Remote Registry Service Within Windows
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- Disables Anonymous Access to the Windows Network Shares
- Disables the Default Windows Network Shares
- Prevents Installation Of Windows XP Service Pack 2
- Disables the DCOM Ability within Windows
- This Process is a file infector which modifies program files to include a host a copy of the infection
- Creates a new Background Service on the machine
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Uses DNS to retrieve the IP address for web sites
- Uses reverse DNS to retrieve the host names on IP addresses
- Uses your PC to connect to Chat rooms
REGVCS.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- Has code inserted into its Virtual Memory space by other programs
- Executed as a Process
- Created as a process on disk
- Deleted as a process from disk
- Copied to multiple locations on the system
Country Of Origin
The filename REGVCS.EXE was first seen on Sep 21 2008 in the following geographical regions of the Prevx community:
- The EUROPEAN UNION on Sep 21 2008
- SPAIN on Sep 21 2008
File Name Aliases
REGVCS.EXE can also use the following file names:
- QUQ.EXE
- ZHX.EXE
- V4I7S4U8P5B4.EXE
- EQJ.EXE
- BZC.EXE
Filesizes
The following file size has been seen:
- 83,456 bytes
- 188,416 bytes
- 93,184 bytes
Vendor, Product and Version Information
Files with the name REGVCS.EXE have been seen to have the following Vendor, Product and Version Information in the file header:
- App; App; 1.00
File Type
The filename REGVCS.EXE refers to many versions of an executable program.
File Activity
One or more files with the name REGVCS.EXE creates, deletes, copies or moves the following files and folders:
- Copies filec:\windows\system32\ftp.exe to c:\windows\system32\microsoft\backup.ftp
- Opens/modifes c:\autoexec.bat
Registry Activity
One or more files with the name REGVCS.EXE creates or modifies the following registry keys and values:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System DisableTaskMgr value:
- HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System DisableRegistryTools value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanserver\parameters AutoShareWks value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanserver\parameters AutoShareServer value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanworkstation\parameters AutoShareWks value:
- HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\lanmanworkstation\parameters AutoShareServer value:
Network Activity
One or more files with the name REGVCS.EXE performs the following network events:
- DNS Lookup1.1.8.1 MONICA-D7D29C9F
- DNS Lookup209.205.196.12 www.topgameland.com
- DNS Lookup209.205.196.12 www.genesisstore.sk
Website Activity
One or more files with the name REGVCS.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Port 80 IP:209.205.196.12