Prevx Research Division
REGSRV32.EXE
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Fraudulent Security Program
- Cloaked Malware
- Malicious Software
- Worm
File Behavior
REGSRV32.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
- Can make outbound communication to other computers, IM chat rooms and other services using IRC protocols
- Registers a Dynamic Link Library File
- Executes a Process
- Terminates Processes
- This process creates other processes on disk
- Found on infected systems and resists interrogation by security products
- This Process Deletes Other Processes From Disk
- Can communicate with other computer systems using HTTP protocols
REGSRV32.EXE has been the subject of the following behavior:
- Added as a Registry auto start to load Program on Boot up
- 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
- Registered as a Dynamic Link Library File
Country Of Origin
The filename REGSRV32.EXE was first seen on Aug 18 2007 in the following geographical regions of the Webroot community:
- The United Kingdom on Aug 18 2007
- Spain on Aug 18 2007
- Canada on Apr 21 2008
- The United States on Jun 28 2008
- Italy on Oct 4 2008
- on Oct 4 2008
- Lesotho on Dec 4 2010
- Bangladesh on Dec 4 2010
- Dominican Republic on Dec 5 2010
- Ghana on Jan 1 2012
- South Africa on Jan 1 2012
- Brazil on May 19 2012
- Mozambique on May 19 2012
File Name Aliases
REGSRV32.EXE can also use the following file names:
- QXZV4.EXE
- ERASEME_06556.EXE
- UPDATE[1].EXE
- REGSRV32_2[1].EXE
- BBBB.EXE
- C1AA.EXE
- FAF1.EXE
- BF5C.EXE
- E5BE.EXE
- CMD.EXE
- V1D[1].EXE
- D.EXE
- A.EXE
- B.EXE
- C.EXE
- F.EXE
- AA.EXE
- B7.EXE
- C6.EXE
- E5.EXE
- A1.EXE
- 78.EXE
- 44.TMP
- 29.TMP
- AE.EXE
- D76B.EXE
- A9D8.EXE
- B185.EXE
- F157.EXE
- B913.EXE
- E56F.EXE
- D690.EXE
- CC92.EXE
- A017.EXE
- E19E.EXE
- E321.EXE
- E725.EXE
- EC91.EXE
- F7C8.EXE
- 5D5.EXE
- 1DB.EXE
- 158.EXE
- E2C2.EXE
- 6DF1.EXE
- E30.EXE
- DA49.EXE
- 86177681.EXE
Filesizes
The following file size has been seen:
- 359,962 bytes
- 35,840 bytes
- 266,240 bytes
- 68,096 bytes
- 97,280 bytes
- 92,160 bytes
- 8,704 bytes
- 877,936 bytes
File Type
The filename REGSRV32.EXE is used by multiple object types including executable programs,objects.
File Activity
One or more files with the name REGSRV32.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\3607_appcompat.txt
- Creates c:\docume~1\user\locals~1\temp\14169.dmp
- Opens/modifes c:\autoexec.bat
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