Prevx Research Division
AUTORUN.EXE
System Back DoorFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove AUTORUN.EXE.
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- System Back Door
- Cloaked Malware
- Malicious Software
- Malware Downloader
File Behavior
AUTORUN.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- This process creates other processes on disk
- Creates a new Background Service on the machine
- Disables the built in Windows File Protection System
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Adds a Link in the Start Menu
- Deletes Links in the Start Menu
- Executes Processes stored in Temporary Folders
- This Process Deletes Other Processes From Disk
- Can communicate with other computer systems using HTTP protocols
- Executes a Process
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Visits web sites on your PC without you knowing
- Registers a Dynamic Link Library File
- Writes to another Process's Virtual Memory (Process Hijacking)
- Copies files
- Injects code into other processes
- Performs DNS look ups to resolve URL IP addresses
- Found on infected systems and resists interrogation by security products
- Creates system tray popups, messages, errors and security warnings
- Uses low level functions to hide itself from the user and from system/security processes
AUTORUN.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- Added as a Link in the Start Menu
- Deleted as a Link in the Start Menu
- Has code inserted into its Virtual Memory space by other programs
- Copied to multiple locations on the system
- Created as a new Background Service on the machine
- Added as a Registry auto start to load Program on Boot up
- Deleted as a process from disk
- Registered as a Dynamic Link Library File
- Executed from Temporary Folders
- Terminated as a Process
- Created by processes which appear to be checking for interception by security products
Country Of Origin
The filename AUTORUN.EXE was first seen on May 12 2007 in the following geographical regions of the Webroot community:
- Chile on May 12 2007
- Europe on May 12 2007
- on May 12 2007
- Mexico on May 31 2007
- Portugal on Aug 28 2008
- Peru on Mar 27 2010
- The United Kingdom on Mar 27 2010
- Mongolia on Jun 3 2010
- Taiwan on Feb 13 2012
Filesizes
The following file size has been seen:
- 762,705 bytes
- 16,896 bytes
- 36,864 bytes
- 367,104 bytes
- 24,576 bytes
- 61,440 bytes
- 163,840 bytes
File Type
The filename AUTORUN.EXE refers to many versions of an executable program.
File Activity
One or more files with the name AUTORUN.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\docume~1\user\locals~1\temp\stop2
- Creates c:\autorun.ex
- Creates c:\autorun.in
- Creates d:\autorun.ex
- Creates d:\autorun.in
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\F.tmp
- Creates c:\docume~1\user\locals~1\temp\11.tmp
- Creates c:\docume~1\user\locals~1\temp\13.tmp
- Creates c:\docume~1\user\locals~1\temp\18.tmp
- Creates c:\docume~1\user\locals~1\temp\24.tmp
- Creates c:\docume~1\user\locals~1\temp\1A.tmp
- Creates c:\docume~1\user\locals~1\temp\1C.tmp
- Creates c:\docume~1\user\locals~1\temp\2E.tmp
- Creates c:\docume~1\user\locals~1\temp\2C.tmp
- Creates c:\docume~1\user\locals~1\temp\26.tmp
- Creates c:\docume~1\user\locals~1\temp\28.tmp
- Creates c:\docume~1\user\locals~1\temp\39.tmp
- Creates c:\docume~1\user\locals~1\temp\3B.tmp
- Creates c:\docume~1\user\locals~1\temp\46.tmp
- Creates c:\docume~1\user\locals~1\temp\44.tmp
- Creates c:\docume~1\user\locals~1\temp\4D.tmp
- Creates c:\docume~1\user\locals~1\temp\4F.tmp
- Creates c:\docume~1\user\locals~1\temp\55.tmp
- Creates c:\docume~1\user\locals~1\temp\57.tmp
- Creates c:\docume~1\user\locals~1\temp\5C.tmp
- Creates c:\docume~1\user\locals~1\temp\5E.tmp
- Creates c:\docume~1\user\locals~1\temp\62.tmp
- Creates c:\docume~1\user\locals~1\temp\64.tmp
- Creates c:\docume~1\user\locals~1\temp\69.tmp
- Creates c:\windows\system32\phc9q8j0eace.bmp
- Moves c:\docume~1\user\locals~1\temp\18.tmp to c:\windows\system32\lphc9q8j0eace.exe
- Deletes c:\windows\system32\lphc9q8j0eace.exe
- Creates c:\documents and settings\user\local settings\temp\.tt3
- Creates c:\windows\system32\blphc9q8j0eace.scr
Website Activity
One or more files with the name AUTORUN.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- satellife .info / ?&v=xtnsh_&lid=1033
- satellife .info / manda .php?ns=1&id=1556420159&zid=1556452582&v=xtnsh_&lid=1033
- pharmabitch .info / scan .exe
- staticworlds .com / foz .exe
- satellife .info / manda .php?id=1556420159&l=857&v=xtnsh_&lid=1033
- staticworlds .com / for .exe
- satellife .info / manda .php?id=1556420159&l=850&v=xtnsh_&lid=1033
- Port 80 IP:91.203.92.30
- Port 80 IP:89.149.227.167
- Port 80 IP:196.32.220.2
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