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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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