Prevx Research Division
MSPASS.EXE
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Worm
- Malicious Software
File Behavior
MSPASS.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Checks for the use of debuggers
- Includes file creation code which could be used to test for interception by security products
- Found on infected systems and resists interrogation by security products
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes a Process
- Adds products to the system registry
- Creates a new Background Service on the machine
- Looks at the contents of the autoexec.bat file
- This process creates other processes on disk
MSPASS.EXE has been the subject of the following behavior:
- Executed from Temporary Folders
- Created as a process on disk
- Executed as a Process
- Deleted as a process from disk
- Registered as a Dynamic Link Library File
- Copied to multiple locations on the system
- Created as a new Background Service on the machine
Country Of Origin
The filename MSPASS.EXE was first seen on May 14 2007 in the following geographical regions of the Webroot community:
- The United States on May 14 2007
- Israel on May 14 2007
- Spain on Jul 7 2007
- Europe on Jul 7 2007
- Italy on Mar 17 2008
- Sweden on May 23 2008
- Serbia on Aug 2 2008
- Dominican Republic on Aug 31 2009
- Germany on Sep 29 2009
- Turkey on May 12 2012
File Name Aliases
MSPASS.EXE can also use the following file names:
- SEE64B.DLL
- BOOTC.EXE
- JASKEL.EXE
- KISS.EXE
- JASKEL.DLL
- MESSNGER.EXE
- ASSASIN/EXTERNAL APPLICATIONS/MSPASS.EXE
- MSN.EXE
- COMMANDRETURN/MSPASS.EXE
- MSNPASS.EXE.EXE
- PASS.EXE
- CROCE ROSSA.EXE
- RESOURCE/MSPASS.EXE
- UPDATE.EXE
- HELP.EXE
- MESSENGER32.EXE
- IM_PASSWORDS.EXE
- MESSENPASS-1.21/MSPASS.EXE
- MSPASS.EXE.DEL
- USBBOOT32.EXE
- MSPASS[1].EXE
- H.EXE
- B.EXE
- 28235445.EXE
Filesizes
The following file size has been seen:
- 70,656 bytes
- 62,464 bytes
- 134,656 bytes
- 41,984 bytes
- 60,416 bytes
- 58,368 bytes
- 756,224 bytes
- 65,024 bytes
File Type
The filename MSPASS.EXE refers to many versions of an executable program.
File Activity
One or more files with the name MSPASS.EXE creates, deletes, copies or moves the following files and folders:
- create folder C:\WINDOWS\system32\drivers\
- Creates c:\windows\system32\drivers\minidrv32.sys
- Creates c:\windows\system32\drivers\etc\host
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