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Win32.HLLW.Autoruner1.14963
Added to the Dr.Web virus database:
2012-04-23
Virus description added:
2012-05-13
Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
[<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Extensible Level Socket Upgrade' = '<SYSTEM32>\evlomypv.exe'
Creates the following services:
[<HKLM>\SYSTEM\ControlSet001\Services\IPsec Session Window Firewall] '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\wnhfcdr2kpozjca.exe -r 37619 tcp
%WINDIR%\Temp\wnhfcdr388gzjca.exe -r 44836 tcp
<SYSTEM32>\flsfemoinds.exe "<SYSTEM32>\evlomypv.exe"
%TEMP%\wnhfcdr23kxzjclguwrp.exe
<SYSTEM32>\evlomypv.exe
Modifies file system :
Creates the following files:
<SYSTEM32>\quqncjbsy\run
<SYSTEM32>\quqncjbsy\rng
<SYSTEM32>\quqncjbsy\cfg
%WINDIR%\Temp\wnhfcdr388gzjca.exe
%WINDIR%\Temp\wnhfcdr2kpozjca.exe
%TEMP%\wnhfcdr23kxzjclguwrp.exe
<SYSTEM32>\quqncjbsy\tst
<SYSTEM32>\quqncjbsy\etc
<SYSTEM32>\flsfemoinds.exe
<SYSTEM32>\evlomypv.exe
Sets the 'hidden' attribute to the following files:
<SYSTEM32>\flsfemoinds.exe
<SYSTEM32>\evlomypv.exe
Deletes the following files:
%WINDIR%\Temp\wnhfcdr2kpozjca.exe
<DRIVERS>\etc\hosts
%TEMP%\wnhfcdr23kxzjclguwrp.exe
Substitutes the HOSTS file.
Network activity:
Connects to:
TCP:
HTTP GET requests:
tr###entral.com/so31/isup.php?v=##################
UDP:
DNS ASK hi###anblog.com
DNS ASK tr###entral.com
'<Private IP address>':1039
'<Private IP address>':1036
'23#.#55.255.250':1900
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