Prevx Research Division
SGVRFY32.EXE
System Back DoorFree PC Cleanup from Webroot
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Associated Malware Groups
The filename is associated with the malware groups:
- System Back Door
- Spyware
File Behavior
SGVRFY32.EXE has been seen to perform the following behavior:
- Uses low level functions to hide itself from the user and from system/security processes
- Found on infected systems and resists interrogation by security products
- Writes to another Process's Virtual Memory (Process Hijacking)
- Hooks the WININET.DLL function allowing it to read or copy Http and Https web page content and session information
- Executes a Process
- This Process Deletes Other Processes From Disk
- Injects code into other processes
- This process creates other processes on disk
- Creates a TCP port which listens and is available for communication initiated by other computers
- Can communicate with other computers using TCP protocols
- Registers a Dynamic Link Library File
SGVRFY32.EXE has been the subject of the following behavior:
- Created as a new Background Service on the machine
- Executed as a Process
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
Country Of Origin
The filename SGVRFY32.EXE was first seen on Jun 20 2007 in the following geographical regions of the Webroot community:
- Italy on Jun 20 2007
- Spain on Aug 20 2009
- The United States on Nov 11 2009
- The United Kingdom on Nov 11 2009
File Name Aliases
SGVRFY32.EXE can also use the following file names:
- SPCLIENTSVC7541.EXE
- NOD70AA.TMP
- 64523476.EXE
Filesizes
The following file size has been seen:
- 536,576 bytes
- 676,352 bytes
- 684,032 bytes
- 958,464 bytes
- 585,728 bytes
- 663,552 bytes
- 557,056 bytes
File Type
The filename SGVRFY32.EXE refers to many versions of an executable program.
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