File Investigation Report
ACTIVEXDEBUGGER32.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
- Malicious Software
File Behavior
ACTIVEXDEBUGGER32.EXE has been seen to perform the following behavior:
- Registers a Dynamic Link Library File
- Executes a Process
- Injects code into other processes
- Creates a new Background Service on the machine
- Disables safe mode on your PC
- Drops known malicious software during execution
- Disables or impairs the normal operation of the Windows Security Center
- This process creates other processes on disk
- Sends email using SMTP protocols
- Makes outbound connections to other computers using NETBIOSOUT protocols
- This Process Deletes Other Processes From Disk
- Disables the built in Windows File Protection System
- Executes Processes stored in Temporary Folders
- Writes to another Process's Virtual Memory (Process Hijacking)
- Communicates with other computers using FTP connections
- Enables an In Process Object/Server - Common with DLL Injections
- Can communicate with other computer systems using HTTP protocols
- This Process Contains User Mode Rootkit Functionality and can hide itself from the running process list
- Sends mail without telling you
- Sets processes to start during user logon
- 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
- Found on infected systems and resists interrogation by security products
ACTIVEXDEBUGGER32.EXE has been the subject of the following behavior:
- Executed as a Process
- Created as a process on disk
- Terminated as a Process
- Deleted as a process from disk
- Has code inserted into its Virtual Memory space by other programs
Country Of Origin
The filename ACTIVEXDEBUGGER32.EXE was first seen on May 31 2007 in the following geographical regions of the Prevx community:
- SPAIN on May 31 2007
- The EUROPEAN UNION on May 31 2007
- TURKEY on Jul 2 2007
- NETHERLANDS on Jul 2 2007
File Name Aliases
ACTIVEXDEBUGGER32.EXE can also use the following file name:
- INFECTIONS IN USB MASS STORAGE DEVICE AND MAIL CLIENT THAT THE WORM OR TROJAN USES/ACTIVEXDEBUGGER32.EXE
- 50210285.EXE
Filesizes
The following file size has been seen:
- 516,096 bytes
- 376,832 bytes
- 446,464 bytes
- 434,176 bytes
File Type
The filename ACTIVEXDEBUGGER32.EXE refers to many versions of an executable program.
File Activity
One or more files with the name ACTIVEXDEBUGGER32.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\docume~1\user\locals~1\temp\NESNELER.EXE
- create folder C:\WINDOWS\System32\
- Deletes c:\windows\system\ACD.CMD
- Deletes c:\windows\system\ACD2.CMD
- Opens/modifes c:\autoexec.bat
Network Activity
One or more files with the name ACTIVEXDEBUGGER32.EXE performs the following network events:
- DNS Lookup64.233.185.27 gsmtp185.google.com
Website Activity
One or more files with the name ACTIVEXDEBUGGER32.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- TCP:209.202.226.80:21 Port:18
- TCP:64.233.185.27:25 Port:18
- TCP:64.233.185.27:25 Port:18
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