Prevx Research Division
"E8MAIN0.DLL"
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Associated Malware Groups
The filename is associated with the malware groups:
- Fraudulent Security Program
- Cloaked Malware
- Worm
- Malicious Software
File Behavior
E8MAIN0.DLL 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
- Copies files
- Executes a Process
- Enables an In Process Object/Server - Common with DLL Injections
- Drops known malicious software during execution
- Uses low level functions to hide itself from the user and from system/security processes
E8MAIN0.DLL has been the subject of the following behavior:
- Enabled as an In Process Object/Server - Common with DLL Injections
- Created as a process on disk
- 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
- Registered as a Dynamic Link Library File
- Deleted as a process from disk
- Executed as a Process
Country Of Origin
The filename E8MAIN0.DLL was first seen on Jun 6 2009 in the following geographical regions of the Webroot community:
- The United States on Jun 6 2009
- Poland on Jun 19 2009
- Taiwan on Jul 9 2009
- The United Arab Emirates on Aug 25 2009
- Turkey on Aug 29 2009
- Spain on Mar 10 2011
File Name Aliases
E8MAIN0.DLL can also use the following file names:
- E8MAIN1.DLL
- E8MAIN2.DLL
- E8MAIN3.DLL
- E8MAIN4.DLL
- E8MAIN5.DLL
- E8MAIN7.DLL
- E8MAIN8.DLL
- E8MAIN9.DLL
- E8MAIN6.DLL
- E8MAIN0111111.DLL
- TRZ1E.TMP
- MIERDA.D
- 68174393.DLL
Filesizes
The following file size has been seen:
- 78,848 bytes
- 64,113 bytes
- 60,410 bytes
- 63,933 bytes
File Type
The filename E8MAIN0.DLL is used by multiple object types including Dynamic Link LIbraries,objects.
File Activity
One or more files with the name E8MAIN0.DLL creates, deletes, copies or moves the following files and folders:
- Opens/modifes c:\autoexec.bat
- Deletes c:\windows\system32\c.exe
- Creates c:\windows\system32\c.exe
- Deletes c:\windows\system32\e8main0.dll
- Creates c:\windows\system32\e8main0.dll
- Copies filec:\windows\notepad.exe to c:\windows\AhnRpta.exe
- Deletes c:\docume~1\user\locals~1\temp\am2.txt
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