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Win32.HLLW.Autoruner1.46482
Added to the Dr.Web virus database:
2013-07-16
Virus description added:
2013-07-18
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Card Background Remote Tracking Source' = '<SYSTEM32>\clysftn.exe'
Creates or modifies the following files:
%HOMEPATH%\Start Menu\Programs\Startup\clysftn.exe
Creates the following services:
[<HKLM>\SYSTEM\ControlSet001\Services\Wired DLL Firewall Drive Server] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
Creates and executes the following:
'%WINDIR%\Temp\epioywc6nwpfwk.exe' -r 33265 tcp
'%WINDIR%\Temp\epioywc7cwwfwk.exe' -r 42169 tcp
'<SYSTEM32>\lqpjkngywn.exe' "<SYSTEM32>\clysftn.exe"
'%TEMP%\epioywc6032fwyttklnbz.exe'
'<SYSTEM32>\clysftn.exe'
Modifies file system :
Creates the following files:
<SYSTEM32>\lrylrktkgqs\run
<SYSTEM32>\lrylrktkgqs\rng
<SYSTEM32>\lrylrktkgqs\cfg
%WINDIR%\Temp\epioywc7cwwfwk.exe
%WINDIR%\Temp\epioywc6nwpfwk.exe
%TEMP%\epioywc6032fwyttklnbz.exe
<SYSTEM32>\lrylrktkgqs\tst
<SYSTEM32>\lrylrktkgqs\etc
<SYSTEM32>\lqpjkngywn.exe
<SYSTEM32>\clysftn.exe
Sets the 'hidden' attribute to the following files:
<SYSTEM32>\lqpjkngywn.exe
<SYSTEM32>\clysftn.exe
Deletes the following files:
%WINDIR%\Temp\epioywc6nwpfwk.exe
%WINDIR%\Temp\epioywc7cwwfwk.exe
%TEMP%\epioywc6032fwyttklnbz.exe
<DRIVERS>\etc\hosts
Substitutes the HOSTS file.
Network activity:
Connects to:
'sp###aguga.com':80
'oi###agyta.com':80
TCP:
HTTP GET requests:
sp###aguga.com/forum/search.php?me#######################################
oi###agyta.com/forum/search.php?me#######################################
UDP:
DNS ASK ja###uter.com
DNS ASK go#####everytime.com
DNS ASK oi###agyta.net
DNS ASK el#####arimagine.com
DNS ASK ma######elemelefresh.com
DNS ASK oi###agyta.com
DNS ASK sp###aguga.com
DNS ASK pu#####vibrations.com
'23#.#55.255.250':1900
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