Prevx Research Division
"MSFTSTP.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
- Cloaked Malware
- Worm
- Malicious Software
File Behavior
MSFTSTP.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Found on infected systems and resists interrogation by security products
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes a Process
- Injects code into other processes
- Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
- Adds products to the system registry
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- Disables safe mode on your PC
MSFTSTP.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
Country Of Origin
The filename MSFTSTP.EXE was first seen on Jan 10 2010 in the following geographical regions of the Webroot community:
- Israel on Jan 10 2010
- The United Kingdom on Jan 11 2010
- Argentina on Jan 11 2010
- Croatia on Jan 30 2010
- Spain on Jan 30 2010
- Thailand on Aug 3 2010
- Indonesia on Oct 9 2010
- Italy on Nov 8 2010
- South Africa on Nov 20 2011
File Name Aliases
MSFTSTP.EXE can also use the following file names:
- MSFTSTP (1).EXE
- E11B9AD5.EXE
- SERVICES.EXE
- USERINIT.EXE
- DC97.EXE
- 01CB7D7F7AEB3A63_IC10_EXE (77).PE
- 01CB7F1F8BB728F6_MSFTSTP_EXE.PE
Filesizes
The following file size has been seen:
- 36,864 bytes
- 31,232 bytes
- 26,624 bytes
- 16,384 bytes
- 49,152 bytes
- 124,928 bytes
File Type
The filename MSFTSTP.EXE refers to many versions of an executable program.
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