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.Autoruner.60027

Added to the Dr.Web virus database: 2011-09-25

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'sysBoot' = '<SYSTEM32>\syskernel.exe'
  • [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'sysStart' = 'C:\syswin.exe 1'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sysBoot' = '<SYSTEM32>\syskernel.exe'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'sysStart' = 'C:\syswin.exe 1'
Creates the following files on removable media:
  • <Drive name for removable media>:\Autorun.inf
  • <Drive name for removable media>:\syskernel.exe
  • <Drive name for removable media>:\New Folder1.exe
Malicious functions:
Creates and executes the following:
  • C:\sysmgr.exe 3
  • C:\sys32krnl.exe 2
  • C:\syswin.exe 1
Executes the following:
  • <SYSTEM32>\attrib.exe +S +H +R C:\sysmgr.exe
  • <SYSTEM32>\attrib.exe +S +H +R <Drive name for removable media>:\syskernel.exe
  • <SYSTEM32>\attrib.exe +S +H <Drive name for removable media>:\Autorun.inf
  • <SYSTEM32>\attrib.exe +S +H +R <SYSTEM32>\syskernel.exe
  • <SYSTEM32>\attrib.exe +S +H +R C:\syswin.exe
  • <SYSTEM32>\attrib.exe +S +H +R C:\sys32krnl.exe
Modifies file system :
Creates the following files:
  • C:\sys32krnl.exe
  • C:\sysmgr.exe
  • <SYSTEM32>\syskernel.exe
  • C:\syswin.exe
Sets the 'hidden' attribute to the following files:
  • C:\sysmgr.exe
  • <Drive name for removable media>:\syskernel.exe
  • <Drive name for removable media>:\Autorun.inf
  • <SYSTEM32>\syskernel.exe
  • C:\syswin.exe
  • C:\sys32krnl.exe
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: ''
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

Dr.Web © 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, 125124