Prevx Research Division
MAIN.EXE
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Malicious Software
- Worm
File Behavior
MAIN.EXE has been seen to perform the following behavior:
- The process hooks code into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
- This process creates other processes on disk
- Registers a Dynamic Link Library File
- Makes outbound connections to other computers using NETBIOSOUT protocols
- Executes a Process
- Can communicate with other computer systems using HTTP protocols
- Executes Processes stored in Temporary Folders
- Found on infected systems and resists interrogation by security products
- Uses low level functions to hide itself from the user and from system/security processes
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Creation and Registers a Browser Helper Object in Internet Explorer
- Writes to another Process's Virtual Memory (Process Hijacking)
- Creates or uses a background service to access the Internet using HTTP protocols
- Injects code into other processes
- Creates a new Background Service on the machine
- Reads email address and phone book details
- Includes file creation code which could be used to test for interception by security products
- The Process is packed and/or encrypted using a software packing process
- Adds products to the system registry
MAIN.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- The process is hooked into all running processes which could allow it to take control of the system or record keyboard input, mouse activity and screen contents
- Deleted as a process from disk
- Terminated as a Process
- Has code inserted into its Virtual Memory space by other programs
- Registered as a Dynamic Link Library File
- Created as a new Background Service on the machine
- Copied to multiple locations on the system
Country Of Origin
The filename MAIN.EXE was first seen on May 17 2007 in the following geographical regions of the Webroot community:
- The United States on May 17 2007
- Australia on Jun 15 2007
- The United Kingdom on Jun 15 2007
- Uruguay on Aug 7 2007
- Iran, Islamic Republic of on Oct 14 2007
- Europe on Oct 23 2007
- Ukraine on Oct 23 2007
- Spain on Nov 11 2007
File Name Aliases
MAIN.EXE can also use the following file names:
- MUDRIVER.EXE
- MUWARS.EXE
- BREAKMU.ZAPTO.ORG.EXE
- FILEBASE.EXE
- MUKAMEHOUSE.EXE
- MUFLEX.EXE
- MAINTEST.EXE
- MAIN_1230603296.EXE
- LAUNCHER.EXE
- MAIN[n].EXE
- MAIN.EXE.BAK
- TENO-MU.EXE
- MAIN1.EXE
- OBLIVIONMU.EXE
- FINALEVOLUTION.EXE
- FUNNYMUONLINE.EXE
- MU-FEATHER.MAIN.EXE
- MUGLOBAL.EXE
- PATCH/MAIN.EXE
- JAOPA_3NEW.EXE
- MUEVILFLAMES.EXE
- NO2X.EXE
- SMSS.EXE
- MUCALIPSO.EXE
- MAIN_HARD.EXE
- MUVNC.EXE
- MUROMANIA.EXE
- JAOPA_3N.EXE
- MAINMUINVASION.EXE
- MAINBETA.EXE
- EASY.EXE
- MAIN1.04J.EXE
- À¸•À¸±À¸§À¹€À¸¥À¹ˆÀ¸™PVPZONES3.EXE
- MAINNORMAL.EXE
- DTOP/MAIN.EXE
- SVSHOST.EXE
- MU.EXE
- ŸŸŸŸŸŸŸŸ8
- C7760413-3C1C-49D1-9099-23A645
Filesizes
The following file size has been seen:
- 3,724,288 bytes
- 4,658,161 bytes
- 139,980 bytes
- 32,768 bytes
- 1,853,982 bytes
- 65,536 bytes
- 996,222 bytes
File Type
The filename MAIN.EXE refers to many versions of an executable program.
File Activity
One or more files with the name MAIN.EXE creates, deletes, copies or moves the following files and folders:
- Moves c:\windows\b to c:\windows\svshost.exe
- Creates c:\windows\help\iexplorer.htm
Website Activity
One or more files with the name MAIN.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:127.0.0.1:1056 Port:22
- Port 80 IP:94.75.216.99
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