Prevx Research Division
AUTO.DLL
Malicious SoftwareFree PC Cleanup from Webroot
Use Webroot SecureAnywhere to remove AUTO.DLL.
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Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Malicious Software
- Worm
File Behavior
AUTO.DLL has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Adds a Registry Key (RUN) to auto start Programs on system start up
- Modifies Windows Security Policies to restrict/expand User Privileges on the machine
- This process creates other processes on disk
- This Process Deletes Other Processes From Disk
- Adds products to the system registry
- Modifies the Windows Built in Screen Saver
- Executes a Process
- Can communicate with other computer systems using HTTP protocols
- Writes to another Process's Virtual Memory (Process Hijacking)
- Executes Processes stored in Temporary Folders
- This Process is a file infector which modifies program files to include a copy of the infection
- Registers a Dynamic Link Library File
- Looks at the contents of the autoexec.bat file
- Reads email address and phone book details
- Visits web sites on your PC without you knowing
- This Process Contains User Mode Rootkit Functionality and can hide itself from the running process list
- Creation and Registers a Browser Helper Object in Internet Explorer
- Adds a Registry Key (RUNONCE) to auto start Programs on system start up
- Opens browser pop ups
- Creates system tray popups, messages, errors and security warnings
- Uses hidden browser windows to connect to web sites without telling you
- Uses DNS to retrieve the IP address for web sites
- 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
AUTO.DLL has been the subject of the following behavior:
- Deleted as a process from disk
- Executed as a Process
- Created as a process on disk
- Has code inserted into its Virtual Memory space by other programs
- Added as a Registry auto start to load Program on Boot up
- Executed by Internet Explorer
- Terminated as a Process
- Registered as a Dynamic Link Library File
- Created by processes which appear to be checking for interception by security products
Country Of Origin
The filename AUTO.DLL was first seen on May 22 2007 in the following geographical regions of the Webroot community:
- Taiwan on May 22 2007
- on May 20 2008
- Spain on Jul 18 2008
- Poland on Jul 18 2008
- Netherlands on Oct 17 2008
- Europe on Oct 3 2009
- Turkey on May 22 2012
File Name Aliases
AUTO.DLL can also use the following file names:
- SCAN.EXE
- CXEBZIY.TMP
- SCAN_001.EXE
- F7BCF3~1.EXE
- SVCHOST.EXE
- S扫描器.EXE
- SCANNER.EXE
- JUESCAN.DLL
- TOSCAN.DLL
- S[3].EXE
- S[2].EXE
- S.DLL
- S.COM
- I.EXE
- L.EXE
- S.EXE
- LPHCR9AJ0ECFJ.EXE__DELETE_ON_REBOOT
- S(1).EXE
- M4|30266842.DLL
- VS000000.EXE
- 39046327.EXE
Filesizes
The following file size has been seen:
- 98,146 bytes
- 213,049 bytes
- 110,080 bytes
- 2,808,320 bytes
- 6,962,176 bytes
- 105,472 bytes
- 7,884 bytes
File Type
The filename AUTO.DLL is used by multiple object types including executable programs,objects.
File Activity
One or more files with the name AUTO.DLL creates, deletes, copies or moves the following files and folders:
- Creates c:\windows\system32\phc9q8j0eace.bmp
- Deletes c:\windows\system32\lphc9q8j0eace.exe
- Creates c:\documents and settings\user\local settings\temp\.tt7
- Deletes c:\documents and settings\user\local settings\temp\.tt7
- Creates c:\windows\system32\blphc9q8j0eace.scr
- Opens/modifes c:\autoexec.bat
- Deletes c:\documents and settings\user\local settings\temp\.ttB
- Deletes c:\documents and settings\user\local settings\temp\.ttE
- Creates c:\documents and settings\user\local settings\temp\.tt1
- Deletes c:\documents and settings\user\local settings\temp\.tt1
- Creates c:\documents and settings\user\local settings\temp\pphc9q8j0eace.exe
- create folder C:\Program Files\rhccq8j0eac
- Deletes c:\docume~1\user\locals~1\temp\nsm17.tmp
- Creates c:\docume~1\user\locals~1\temp\nsc19.tmp
- Deletes c:\docume~1\user\locals~1\temp\nsr1B.tmp
- Creates c:\docume~1\user\locals~1\temp\nsr1b.tmp\MachineKey.dll
- Creates c:\docume~1\user\locals~1\temp\nsr1b.tmp\update.ini
- Creates c:\docume~1\user\locals~1\temp\nsr1b.tmp\lastpage.ini
- Creates c:\docume~1\user\locals~1\temp\nsr1b.tmp\Mutex.dll
- Creates c:\documents and settings\all users\start menu\programs\antivirus xp 2008\Uninstall.lnk
- Creates c:\documents and settings\all users\start menu\programs\antivirus xp 2008\Antivirus XP 2008.lnk
- Creates c:\documents and settings\all users\start menu\programs\Antivirus XP 2008.lnk
- Creates c:\documents and settings\all users\start menu\programs\antivirus xp 2008\License Agreement.lnk
- Creates c:\documents and settings\user\application data\microsoft\internet explorer\quick launch\Antivirus XP 2008.lnk
- Creates c:\documents and settings\all users\desktop\Antivirus XP 2008.lnk
- Creates c:\documents and settings\all users\start menu\programs\antivirus xp 2008\Register Antivirus XP 2008.lnk
- Creates c:\documents and settings\all users\start menu\programs\antivirus xp 2008\How to Register Antivirus XP 2008.lnk
- Creates c:\program files\rhccq8j0eace\rhccq8j0eace.exe
- Creates c:\program files\rhccq8j0eace\database.dat
- Creates c:\program files\rhccq8j0eace\msvcp71.dll
- Creates c:\program files\rhccq8j0eace\MFC71.dll
- Creates c:\program files\rhccq8j0eace\MFC71ENU.DLL
- Creates c:\program files\rhccq8j0eace\msvcr71.dll
- Creates c:\program files\rhccq8j0eace\license.txt
- Creates c:\docume~1\user\locals~1\temp\pin.vbs
- Deletes c:\docume~1\user\locals~1\temp\pin.vbs
- Creates c:\program files\rhccq8j0eace\Uninstall.exe
- Creates c:\docume~1\user\locals~1\temp\nsr1b.tmp\KillSelf.dll
- Deletes c:\docume~1\user\locals~1\temp\nsr1b.tmp\KillSelf.dll
- Deletes c:\docume~1\user\locals~1\temp\nsr1b.tmp\lastpage.ini
- Deletes c:\docume~1\user\locals~1\temp\nsr1b.tmp\MachineKey.dll
- Deletes c:\docume~1\user\locals~1\temp\nsr1b.tmp\Mutex.dll
- Deletes c:\docume~1\user\locals~1\temp\nsr1b.tmp\update.ini
- Deletes c:\documents and settings\user\local settings\temp\TT12~1.TM
- Deletes c:\documents and settings\user\local settings\temp\gghb.bat
- Creates c:\windows\system32\pphc9q8j0eace.ex
- Creates c:\docume~1\user\locals~1\temp\compress.dat
- Deletes c:\docume~1\user\locals~1\temp\compress.dat
- Moves c:\windows\system32\pphc9q8j0eace.exe to c:\windows\system32\52.tmp
- Moves c:\windows\system32\pphc9q8j0eace.exe to c:\windows\system32\55.tmp
Website Activity
One or more files with the name AUTO.DLL interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- windowsupdate .microsoft .com
- avxp08 .c
- avxp08 .com / images / 1216410278 / e354dd6a773d899336c058fb89fce801 / 7e1a2c78-0b06-4f86-b5aa-0af0c4c63b1d .ok?id=14
- Remote server connection to www .winifixer .co
- Port 80 IP:207.46.18.94
- Port 80 IP:216.195.41.11
- Port 80 IP:194.110.162.29
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