Defend what you create

Other Resources

Close

Library
My library

+ Add to library

Contact us
24/7 Tech support | Rules regarding submitting

Send a message

Your tickets

Profile

Win32.HLLW.Autoruner2.15742

Added to the Dr.Web virus database: 2014-06-22

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pctstray.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ashdisp.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\pctsgui.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVGNT.EXE] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\AVP.EXE] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'load' = '%TEMP%\svchost.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Userinit' = '<SYSTEM32>\userinit.exe,<SYSTEM32>\fdisk.com'
  • [<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows] 'run' = '%TEMP%\svchost.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\HijackThis.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\resmon.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\VPTRAY.EXE] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'User Agent' = '%TEMP%\svchost.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon] 'Shell' = 'explorer.exe <SYSTEM32>\fdisk.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'User Agent' = '<SYSTEM32>\fdisk.com'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'HotKey' = '%HOMEPATH%\Templates\cache\SFCsrvc.pif'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'HotKey' = '%HOMEPATH%\Templates\cache\SFCsrvc.pif'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\msconfig.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\USBGUARD.EXE] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\mmc.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
  • [<HKCU>\Software\Microsoft\Command Processor] 'AutoRun' = '"%WINDIR%\Help\cliconf.chm"'
  • [<HKLM>\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe] 'debugger' = '%TEMP%\svchost.com Kll_dis'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\sndvol32.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\sndvol32.exe
Creates the following files on removable media:
  • <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
  • <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
  • <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\Thumbs.db
  • <Drive name for removable media>:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
  • file extensions
blocks execution of the following system utilities:
  • Windows Task Manager (Taskmgr)
  • Registry Editor (RegEdit)
Creates and executes the following:
  • '%CommonProgramFiles%\System\cftmon.exe' stay_alive -r
  • '%TEMP%\svchost.com' keep_fucking
  • '%TEMP%\svchost.com'
  • '%CommonProgramFiles%\System\cftmon.exe' stay_alive -in
Executes the following:
  • '<SYSTEM32>\net1.exe' user /add Network_Service
  • '<SYSTEM32>\net1.exe' user Network_Service 1016760
  • '<SYSTEM32>\net1.exe' localgroup %USERNAME%s Network_Service /add
  • '<SYSTEM32>\net1.exe' user guest guest
  • '<SYSTEM32>\net1.exe' share SYS_c=c:\
  • '<SYSTEM32>\net1.exe' share SYS_e=e:\
  • '<SYSTEM32>\net1.exe' share SYS_z=z:\
Terminates or attempts to terminate
the following user processes:
  • AVP.EXE
Modifies settings of Windows Explorer:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer] 'NofolderOptions' = '00000001'
Modifies file system :
Creates the following files:
  • %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
  • %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
  • C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
  • %HOMEPATH%\Local Settings\Temporary Internet Files\Content.IE5\KHMHGZ4F\cartman[1].php
  • %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\temp.db
  • %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
  • %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
  • C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\tmp.db
  • %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
  • C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
  • C:\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
  • %HOMEPATH%\Templates\cache\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
  • %HOMEPATH%\Templates\cache\desktop.ini
  • %HOMEPATH%\Templates\cache\SFCsrvc.pif
  • %TEMP%\svchost.com
  • %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\desktop.ini
  • C:\autorun.inf
  • C:\Thumbs.db
  • %CommonProgramFiles%\System\cftmon.exe
  • <SYSTEM32>\fdisk.com
  • %WINDIR%\Help\cliconf.chm
Sets the 'hidden' attribute to the following files:
  • C:\Thumbs.db
  • C:\autorun.inf
  • <Drive name for removable media>:\autorun.inf
  • %TEMP%\$RECYCLE.BIN\{5F229C11-5039-40E4-8537-6950BB1C9ECC}\crump.dat
  • <Drive name for removable media>:\Thumbs.db
  • %HOMEPATH%\Templates\cache\SFCsrvc.pif
  • %TEMP%\svchost.com
  • <SYSTEM32>\fdisk.com
  • %HOMEPATH%\Start Menu\Programs\Startup\sndvol32.exe
  • %ALLUSERSPROFILE%\Start Menu\Programs\Startup\sndvol32.exe
Network activity:
Connects to:
  • 'ne#####m.isa-geek.org':80
  • 'ht###.ath.cx':80
  • 'i4#.#inypic.com':80
TCP:
HTTP GET requests:
  • ht###.ath.cx/cartman.php
  • i4#.#inypic.com/got07s.jpg
UDP:
  • DNS ASK ht###.ath.cx
  • DNS ASK ne#####m.isa-geek.org
  • DNS ASK pr###.just.edu.jo
  • DNS ASK i4#.#inypic.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'

The Russian developer of Dr.Web anti-viruses

Doctor Web has been developing anti-virus software since 1992

Dr.Web is trusted by users around the world in 200+ countries

The company has delivered an anti-virus as a service since 2007

24/7 tech support

© Doctor Web
2003 — 2020

Doctor Web is the Russian developer of Dr.Web anti-virus software. Dr.Web anti-virus software has been developed since 1992.

2-12А, 3rd street Yamskogo polya, Moscow, Russia, 125040