File Investigation Report
CSRCS.EXE
Cloaked MalwarePC Cleanup in 3 Easy Steps
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Worm
- Malware Downloader
File Behavior
CSRCS.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Disables the built in Windows File Protection System
- Modifies System Runtime Policies to limit system usability
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- Executes a Process
- Checks for the use of debuggers
- Opens browser pop ups
- Writes to another Process's Virtual Memory (Process Hijacking)
- Disables the Notification Balloon for the Windows Security Center
- Disables the Windows Security Center Service
- Enables Access to the Remote Registry Service Within Windows
- Disables Anonymous Access to the Windows Network Shares
- Disables the Default Windows Network Shares
- Prevents Installation Of Windows XP Service Pack 2
- Disables the DCOM Ability within Windows
- Registers a Dynamic Link Library File
- Creates a new Background Service on the machine
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Uses DNS to retrieve the IP address for web sites
- Uses reverse DNS to retrieve the host names on IP addresses
- Visits web sites on your PC without you knowing
- Uses your PC to connect to Chat rooms
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Automatically changes your firewall settings to allow itself or other programs to communicate over the internet
- Adds products to the system registry
- Executes Processes stored in Temporary Folders
- Terminates Processes
- The Process is polymorphic and can change its structure
CSRCS.EXE has been the subject of the following behavior:
- Created as a process on disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Deleted as a process from disk
- Terminated as a Process
- Copied to multiple locations on the system
- Registered as a Dynamic Link Library File
- Created as a new Background Service on the machine
- Added as a Registry auto start to load Program on Boot up
- Executed from Temporary Folders
Country Of Origin
The filename CSRCS.EXE was first seen on Nov 24 2007 in the following geographical regions of the Prevx community:
- SPAIN on Nov 24 2007
- The EUROPEAN UNION on Dec 18 2007
- The UNITED KINGDOM on Apr 13 2008
- THAILAND on Sep 12 2008
- RUSSIAN FEDERATION on Mar 9 2009
File Name Aliases
CSRCS.EXE can also use the following file names:
- 65521843.EXE
- VAEOPE.EXE
- TNVAWZ.EXE
- 23657025.EXE
- 67628768.EXE
- GMCSLS.EXE
- FMQCHV.EXE
- TBBNJQ.EXE
- 67088331.DAT
- S32.EXE
- 26821193.DAT
- SPOOL32.EXE
- 33781727.SVD
- 19453044.DAT
- AK21.EXE
- AASP[1].EXE
- 81901893.DAT
- C.EXE
- EME_15872.EXE
- EME_35765.EXE
- EME_20464.EXE
- 79780379.DAT
- AUTORUNME.EXE
- 53426649.SVD
- 37580758.SAM
- 73634289.SAM
Filesizes
The following file size has been seen:
- 453,546 bytes
- 507,820 bytes
- 713,140 bytes
- 41,928 bytes
- 65,536 bytes
- 65,024 bytes
- 86,077 bytes
- 39,430 bytes
File Type
The filename CSRCS.EXE refers to many versions of an executable program.
File Activity
One or more files with the name CSRCS.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\aut7.tmp
- Creates c:\docume~1\user\locals~1\temp\lvtqkvp
- Deletes c:\docume~1\user\locals~1\temp\aut7.tmp
- Deletes c:\docume~1\user\locals~1\temp\lvtqkvp
- Creates c:\docume~1\user\locals~1\temp\autC.tmp
- Creates c:\docume~1\user\locals~1\temp\yseyprg
- Deletes c:\docume~1\user\locals~1\temp\autC.tmp
- Deletes c:\docume~1\user\locals~1\temp\yseyprg
- Deletes c:\docume~1\user\locals~1\temp\suicide.bat
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