Win32.HLLW.Autoruner1.30751
Added to the Dr.Web virus database:
2012-11-28
Virus description added:
2012-11-28
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Yieldmzu' = '<SYSTEM32>\tswvvvgl.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Huyxxjue] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
Creates and executes the following:
- <SYSTEM32>\gfjiiity.exe "<SYSTEM32>\tswvvvgl.exe"
- %WINDIR%\Temp\SGDH3DC2A.EXE -r 24571 tcp
- %TEMP%\SGDH2TIYRPXH.EXE
- <SYSTEM32>\tswvvvgl.exe
Modifies file system :
Creates the following files:
- <SYSTEM32>\50417014\run
- <SYSTEM32>\50417014\rng
- <SYSTEM32>\50417014\cfg
- <SYSTEM32>\50417014\por
- %WINDIR%\Temp\SGDH3DC2A.EXE
- %TEMP%\SGDH2TIYRPXH.EXE
- <SYSTEM32>\50417014\tst
- <SYSTEM32>\50417014\etc
- <SYSTEM32>\gfjiiity.exe
- <SYSTEM32>\tswvvvgl.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\gfjiiity.exe
- <SYSTEM32>\tswvvvgl.exe
Deletes the following files:
- %WINDIR%\Temp\SGDH3DC2A.EXE
- <DRIVERS>\etc\hosts
- %TEMP%\SGDH2TIYRPXH.EXE
Substitutes the HOSTS file.
Network activity:
Connects to:
- 'me#####gintheway.com':80
- 'ma#####ousestoday.com':80
- 'bl#####eronredmoon.com':80
- 'tr###entral.com':80
- 'hi###anblog.com':80
- 'me####iroplo.com':80
TCP:
HTTP GET requests:
- me#####gintheway.com/so31/isup.php?v=###################
- ma#####ousestoday.com/so31/isup.php?v=###################
- bl#####eronredmoon.com/so31/isup.php?v=###################
- tr###entral.com/so31/isup.php?v=###################
- hi###anblog.com/so31/isup.php?v=###################
- me####iroplo.com/so31/isup.php?v=###################
UDP:
- DNS ASK me####iroplo.net
- DNS ASK hi###anblog.net
- DNS ASK tr###entral.net
- DNS ASK bl#####eronredmoon.net
- DNS ASK ma#####ousestoday.net
- DNS ASK me#####gintheway.net
- DNS ASK bl#####eronredmoon.com
- DNS ASK hi###anblog.com
- DNS ASK tr###entral.com
- DNS ASK me####iroplo.com
- DNS ASK ma#####ousestoday.com
- DNS ASK me#####gintheway.com
- '23#.#55.255.250':1900
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