Prevx Research Division
C8.EXE
Fraudulent Security ProgramFree PC Cleanup from Webroot
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Fraudulent Security Program
- Malicious Software
File Behavior
C8.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- The Process is polymorphic and can change its structure
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Executes a Process
- Visits web sites on your PC without you knowing
- Enables an In Process Object/Server - Common with DLL Injections
- Can communicate with other computer systems using HTTP protocols
- Writes to another Process's Virtual Memory (Process Hijacking)
C8.EXE has been the subject of the following behavior:
- Executed by Internet Explorer
- This program is often downloaded from the web
- Registered as a Dynamic Link Library File
- Executed as a Process
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Terminated as a Process
- Deleted as a process from disk
Country Of Origin
The filename C8.EXE was first seen on May 22 2008 in the following geographical regions of the Webroot community:
- Spain on May 22 2008
- on May 22 2008
- Singapore on Jun 12 2008
- Europe on Nov 2 2008
- South Africa on May 27 2011
- The United Arab Emirates on May 27 2011
- Germany on Jul 6 2011
File Name Aliases
C8.EXE can also use the following file names:
- SETUP295307016.EXE
- SETUP1039400108.EXE
- SETUP4085886724.EXE
- SETUP3200902756.EXE
- SETUP2578220880.EXE
- SETUP4273482544.EXE
- SETUP265472328.EXE
- SETUP924403328.EXE
- SETUP1680154480.EXE
- SETUP431139920.EXE
- SETUP2702912380.EXE
- MS0CFG32.EXE
- SZCLDPFE[1].EXE
- NM7YQ4GI[1].EXE
- OTHER/C8.EXE
- C8[1].EXE
- C8[2].EXE
- C8[3].EXE
- C8[n].EXE
- WW2.EXE
- 54421339.DAT
Filesizes
The following file size has been seen:
- 321,536 bytes
- 24,576 bytes
- 149,504 bytes
- 3,057,152 bytes
- 170,496 bytes
- 4,161,536 bytes
- 159,748 bytes
File Type
The filename C8.EXE refers to many versions of an executable program.
File Activity
One or more files with the name C8.EXE creates, deletes, copies or moves the following files and folders:
- Opens/modifes c:\autoexec.bat
- Creates c:\documents and settings\user\local settings\temp\tempaq
- Moves c:\documents and settings\user\local settings\temp\tempaq to c:\windows\tempaq
- Creates c:\windows\system32\drivers\a4bugldv.sys
- Creates c:\windows\system32\drivers\b7dsd7cxf.sys
- Creates c:\windows\system32\jfht0eu3.dll
Website Activity
One or more files with the name C8.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Remote server connection to 58 .211 .7 .2
- Port 80 IP:58.211.7.25
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