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Win32.HLLW.Autoruner2.15230

Added to the Dr.Web virus database: 2014-06-03

Virus description added:

Technical Information

To ensure autorun and distribution:
Modifies the following registry keys:
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tevac' = '%HOMEPATH%\cavet\tevac.exe /x'
  • [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'tevac' = '%HOMEPATH%\cavet\tevac.exe /y'
Creates or modifies the following files:
  • %HOMEPATH%\Start Menu\Programs\Startup\tevac.lnk
Creates the following files on removable media:
  • <Drive name for removable media>:\Passwords.lnk
  • <Drive name for removable media>:\Private.lnk
  • <Drive name for removable media>:\Favourites.lnk
  • <Drive name for removable media>:\Movies.lnk
  • <Drive name for removable media>:\Pictures.lnk
  • <Drive name for removable media>:\Search.lnk
  • <Drive name for removable media>:\Music.lnk
  • <Drive name for removable media>:\Secret Folder.lnk
  • <Drive name for removable media>:\Sexy.exe
  • <Drive name for removable media>:\tevac.exe
  • <Drive name for removable media>:\autorun.inf
  • <Drive name for removable media>:\I love you.exe
  • <Drive name for removable media>:\Password.exe
  • <Drive name for removable media>:\Webcam.exe
  • <Drive name for removable media>:\Naked.exe
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
  • hidden files
Creates and executes the following:
  • '%HOMEPATH%\cavet\tevac.exe'
Executes the following:
  • '<SYSTEM32>\route.exe' add 91.228.167.0/24 0.0.0.0
  • '<SYSTEM32>\route.exe' add 91.228.166.0/24 10.0.0.254
  • '<SYSTEM32>\route.exe' /pid=2592
  • '<SYSTEM32>\route.exe' add 37.187.68.0/24 0.0.0.0
  • '<SYSTEM32>\route.exe' add 91.228.167.0/24 10.0.0.254
  • '<SYSTEM32>\route.exe' add 91.228.166.0/24 0.0.0.0
  • '<SYSTEM32>\route.exe' add 134.170.0.0/16 0.0.0.0
  • '<SYSTEM32>\route.exe' add 157.60.0.0/16 10.0.0.254
  • '<SYSTEM32>\route.exe' add 134.170.0.0/16 10.0.0.254
  • '<SYSTEM32>\route.exe' add 72.32.67.100 10.0.0.254
  • '<SYSTEM32>\route.exe' add 72.32.67.100 0.0.0.0
  • '<SYSTEM32>\route.exe' add 46.4.66.0/24 0.0.0.0
  • '<SYSTEM32>\route.exe' add 46.4.62.0/24 10.0.0.254
  • '<SYSTEM32>\route.exe' add 46.4.66.0/24 10.0.0.254
  • '<SYSTEM32>\route.exe' /c route add 46.4.67.0/24 10.0.0.254
  • '<SYSTEM32>\route.exe' add 46.4.67.0/24 0.0.0.0
  • '<SYSTEM32>\route.exe' add 46.4.62.0/24 0.0.0.0
  • '<SYSTEM32>\route.exe' /pid=2920
  • '<SYSTEM32>\route.exe' /pid=2932
  • '<SYSTEM32>\route.exe' add 37.187.68.0/24 10.0.0.254
  • '<SYSTEM32>\route.exe' add 46.4.58.0/24 10.0.0.254
  • '<SYSTEM32>\route.exe' add 46.4.58.0/24 0.0.0.0
  • '<SYSTEM32>\route.exe' add 157.60.0.0/16 0.0.0.0
  • '<SYSTEM32>\route.exe' add 216.239.38.21 10.0.0.254
  • '<SYSTEM32>\route.exe' add 216.239.38.21 0.0.0.0
  • '<SYSTEM32>\route.exe' add 74.125.34.46 0.0.0.0
  • '<SYSTEM32>\route.exe' add 173.194.72.121 0.0.0.0
  • '<SYSTEM32>\route.exe' add 74.125.34.46 10.0.0.254
  • '<SYSTEM32>\route.exe' add 216.239.36.21 10.0.0.254
  • '<SYSTEM32>\route.exe' add 216.239.32.21 10.0.0.254
  • '<SYSTEM32>\route.exe' add 216.239.32.21 0.0.0.0
  • '<SYSTEM32>\route.exe' add 216.239.34.21 0.0.0.0
  • '<SYSTEM32>\route.exe' add 216.239.36.21 0.0.0.0
  • '<SYSTEM32>\route.exe' add 216.239.34.21 10.0.0.254
  • '<SYSTEM32>\route.exe' add 157.54.0.0/15 0.0.0.0
  • '<SYSTEM32>\route.exe' add 65.52.0.0/14 10.0.0.254
  • '<SYSTEM32>\route.exe' add 157.54.0.0/15 10.0.0.254
  • '<SYSTEM32>\route.exe' add 157.56.0.0/14 10.0.0.254
  • '<SYSTEM32>\route.exe' add 157.56.0.0/14 0.0.0.0
  • '<SYSTEM32>\route.exe' add 65.52.0.0/14 0.0.0.0
  • '<SYSTEM32>\route.exe' add 5.39.93.201 0.0.0.0
  • '<SYSTEM32>\route.exe' add 173.194.72.121 10.0.0.254
  • '<SYSTEM32>\route.exe' add 5.39.93.201 10.0.0.254
  • '<SYSTEM32>\route.exe' add 207.46.0.0/16 10.0.0.254
  • '<SYSTEM32>\route.exe' add 207.46.0.0/16 0.0.0.0
Injects code into
the following system processes:
  • <SYSTEM32>\route.exe
Modifies file system :
Creates the following files:
  • %HOMEPATH%\cavet\RCX8.tmp
  • %HOMEPATH%\cavet\RCX9.tmp
  • %HOMEPATH%\cavet\RCX6.tmp
  • %HOMEPATH%\cavet\RCX7.tmp
  • %HOMEPATH%\cavet\RCXA.tmp
  • %HOMEPATH%\cavet\c\autorun.inf
  • %HOMEPATH%\cavet\c\Games.exe
  • %HOMEPATH%\cavet\RCXB.tmp
  • %HOMEPATH%\cavet\RCXC.tmp
  • %HOMEPATH%\cavet\RCX5.tmp
  • %HOMEPATH%\cavet\2.exe
  • %HOMEPATH%\cavet\RCX1.tmp
  • %HOMEPATH%\cavet\tevac.exe
  • %HOMEPATH%\cavet\1.exe
  • %HOMEPATH%\cavet\3.exe
  • %HOMEPATH%\cavet\4.exe
  • %HOMEPATH%\cavet\RCX4.tmp
  • %HOMEPATH%\cavet\RCX2.tmp
  • %HOMEPATH%\cavet\RCX3.tmp
Sets the 'hidden' attribute to the following files:
  • <Drive name for removable media>:\tevac.exe
  • %HOMEPATH%\cavet\c\autorun.inf
  • %HOMEPATH%\cavet\tevac.exe
  • <Drive name for removable media>:\autorun.inf
Deletes the following files:
  • %HOMEPATH%\cavet\1.exe
  • %HOMEPATH%\cavet\c\autorun.inf
  • %HOMEPATH%\cavet\c\Games.exe
  • %HOMEPATH%\cavet\2.exe
  • %HOMEPATH%\cavet\3.exe
  • %HOMEPATH%\cavet\4.exe
Moves the following files:
  • from %HOMEPATH%\cavet\RCX9.tmp to %HOMEPATH%\cavet\3.exe
  • from %HOMEPATH%\cavet\RCX8.tmp to %HOMEPATH%\cavet\3.exe
  • from %HOMEPATH%\cavet\RCX7.tmp to %HOMEPATH%\cavet\2.exe
  • from %HOMEPATH%\cavet\RCXC.tmp to %HOMEPATH%\cavet\4.exe
  • from %HOMEPATH%\cavet\RCXB.tmp to %HOMEPATH%\cavet\4.exe
  • from %HOMEPATH%\cavet\RCXA.tmp to %HOMEPATH%\cavet\4.exe
  • from %HOMEPATH%\cavet\RCX3.tmp to %HOMEPATH%\cavet\3.exe
  • from %HOMEPATH%\cavet\RCX2.tmp to %HOMEPATH%\cavet\3.exe
  • from %HOMEPATH%\cavet\RCX1.tmp to %HOMEPATH%\cavet\2.exe
  • from %HOMEPATH%\cavet\RCX6.tmp to %HOMEPATH%\cavet\4.exe
  • from %HOMEPATH%\cavet\RCX5.tmp to %HOMEPATH%\cavet\4.exe
  • from %HOMEPATH%\cavet\RCX4.tmp to %HOMEPATH%\cavet\4.exe
Network activity:
Connects to:
  • 'ns#.#nsfor7.com':7002
  • 'ns#.#nsfor6.com':7002
  • 'ns#.#nsfor9.com':7002
  • 'ns#.#nsfor8.com':7002
  • 'ns#.#nsfor1.net':7002
  • 'ns#.#nsfor0.com':7002
  • 'ns#.#nsfor3.com':7002
  • 'ns#.#nsfor.net':7002
UDP:
  • DNS ASK ns#.##sfor10.com
  • DNS ASK ns#.#nsfor9.com
  • DNS ASK ns#.#nsfor8.com
  • DNS ASK ns#.##sfor15.com
  • DNS ASK ns#.##sfor12.com
  • DNS ASK ns#.##sfor11.com
  • DNS ASK ns#.#nsfor.net
  • DNS ASK ns#.#nsfor1.net
  • DNS ASK ns#.#nsfor0.com
  • DNS ASK ns#.#nsfor7.com
  • DNS ASK ns#.#nsfor6.com
  • DNS ASK ns#.#nsfor3.com
Miscellaneous:
Searches for the following windows:
  • ClassName: 'Indicator' WindowName: '(null)'