File Investigation Report
IUHI64.EXE
System Back DoorPC Cleanup in 3 Easy Steps
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Associated Malware Groups
The filename is associated with the malware groups:
- System Back Door
- Cloaked Malware
- Malicious Software
File Behavior
IUHI64.EXE has been seen to perform the following behavior:
- Registers a Dynamic Link Library File
- This process creates other processes on disk
- Executes a Process
- Injects code into other processes
- Drops known malicious software during execution
- Uses DNS to retrieve the IP address for web sites
- Uses your PC to connect to Chat rooms
- Found on infected systems and resists interrogation by security products
- Uses low level functions to hide itself from the user and from system/security processes
- The Process is packed and/or encrypted using a software packing process
- Writes to another Process's Virtual Memory (Process Hijacking)
- This Process is a file infector which modifies program files to include a copy of the infection
- Creates new folders in the file system
IUHI64.EXE has been the subject of the following behavior:
- Created as a process on disk
- Copied to multiple locations on the system
- Deleted as a process from disk
- Executed as a Process
- Has code inserted into its Virtual Memory space by other programs
- Added as a Registry Key (DXCOM) to auto start Programs on system start up
- Added as a Registry auto start to load Program on Boot up
Country Of Origin
The filename IUHI64.EXE was first seen on Mar 21 2008 in the following geographical regions of the Prevx community:
- SPAIN on Mar 21 2008
- AUSTRALIA on Mar 21 2008
- LITHUANIA on May 17 2008
- GREECE on Jun 2 2008
- KENYA on Jul 21 2008
- INDIA on Jun 9 2009
File Name Aliases
IUHI64.EXE can also use the following file names:
- SYSFIX[n].EXE
- ROFL[n].EXE
- ROFL.EXE
- SYSFIX.EXE
- SMSS.EXE
- BTS[n].EXE
- JHBASF45.EXE
- BACKUP.EXE
- UB.EXE
- RF.EXE
- 95016064.EXE
Filesizes
The following file size has been seen:
- 27,814 bytes
- 30,720 bytes
- 97,792 bytes
- 33,792 bytes
- 12,288 bytes
- 42,496 bytes
- 31,232 bytes
File Type
The filename IUHI64.EXE refers to many versions of an executable program.
File Activity
One or more files with the name IUHI64.EXE creates, deletes, copies or moves the following files and folders:
- Deletes c:\docume~1\user\locals~1\temp\nsc7.tmp
- Deletes c:\docume~1\user\locals~1\temp\nsc9.tmp
- Creates c:\docume~1\user\locals~1\temp\nsc9.tmp\System.dll
- Creates c:\documents and settings\user\desktop\Raila Odinga.gif
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\00000494000005b4.ur
- Deletes c:\docume~1\user\locals~1\temp\00000494000005b4.ur
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