Submission Summary:

What's been foundSeverity Level
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Threat CategoryDescription
A malicious backdoor trojan that runs in the background and allows remote access to the compromised system

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 %AppData%\Microsoft\Installer\{B53D42E8-872B-430E-82D4-80065A31FCE1}\lpk.dll
[pathname with a string SHARE]\lpk.dll
[pathname with a string SHARE]\lpk.dll
[pathname with a string SHARE]\lpk.dll
%ProgramFiles%\Internet Explorer\Connection Wizard\lpk.dll
%ProgramFiles%\Internet Explorer\lpk.dll
%ProgramFiles%\Messenger\lpk.dll
%System%\gei33.dll
[file and pathname of the sample #1]
84,480 bytes MD5: 0x380ADD4F7D47BD24520C807922AF4C3A
SHA-1: 0x2BF92ED52A2C0667D901CA79F95E3B32DA34F9C9
Backdoor.Trojan [Symantec]
Mal/Nitol-C [Sophos]
2 %Temp%\hrl1.tmp
%Temp%\hrl3.tmp
%Temp%\hrl4.tmp
%Temp%\SOFTWARE.LOG
%System%\hufzuk.exe
71,680 bytes MD5: 0x09F7A8211D44DD846288379828846696
SHA-1: 0x8788DD584275B1FF50080F7E6A2C0F39A584190A
(not available)

 

Memory Modifications

Process NameProcess FilenameMain Module Size
[generic host process][generic host process filename]20,480 bytes
hufzuk.exe%System%\hufzuk.exe98,304 bytes

Module NameModule FilenameAddress Space Details
[filename of the sample #1][file and pathname of the sample #1]Process name: [generic host process]
Process filename: [generic host process filename]
Address space: 0x10000000 - 0x10019000
[filename of the sample #1][file and pathname of the sample #1]Process name: [generic host process]
Process filename: [generic host process filename]
Address space: 0x10000000 - 0x10019000
[filename of the sample #1][file and pathname of the sample #1]Process name: [generic host process]
Process filename: [generic host process filename]
Address space: 0x10000000 - 0x10019000
[filename of the sample #1][file and pathname of the sample #1]Process name: [generic host process]
Process filename: [generic host process filename]
Address space: 0x10000000 - 0x10019000
gei33.dll%System%\gei33.dllProcess name: hufzuk.exe
Process filename: %System%\hufzuk.exe
Address space: 0x10000000 - 0x10019000

Service NameDisplay NameStatusService Filename
aspnet_statesvlxASP.NET State Serviceswyu Transaction Coordinator Service"Running"%System%\hufzuk.exe

 

Registry Modifications

 

Other details

China

 

 

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