Submission Summary:

What's been foundSeverity Level
Capability to block security-related software by modifying firewall settings and by disabling security services, such as Windows Update, Norton Autoprotect, Kaspersky Anti-Virus, etc.
There were some system executable files modified, which might indicate the presence of a PE-file infector.
Contains characteristics of an identified security risk.

 

Technical Details:

 

Possible Security Risk

Threat CategoryDescription
A virus capable to modify other files by infecting, prepending, or overwriting them them with its own body
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]
99,840 bytes MD5: 0x5FB1BED59CDE80E640A2266935F38D28
SHA-1: 0xFA0198D55C669F3505769429D9EE3926ED2CC1E4
Backdoor.Trojan [Symantec]
Mal/Nitol-C [Sophos]
2 %Temp%\SOFTWARE.LOG
%System%\fsldsw.exe
%System%\jwzvwy.exe
%System%\ssyqsw.exe
87,040 bytes MD5: 0x3236D9CD556F444339A4DC305A251B90
SHA-1: 0xE4F21C7AB1E30D665E3D6D2A6B59ECFCC1795A6F
W32.Virut.CF [Symantec]
Virus.Win32.Virut.ce [Kaspersky Lab]
W32/Virut.n.gen [McAfee]
W32/Scribble-B [Sophos]
Virus:Win32/Virut.BN [Microsoft]
Virus.Win32.Virut [Ikarus]
3 %ProgramFiles%\Windows Media Player\lpk.dll 0 bytes MD5: 0xD41D8CD98F00B204E9800998ECF8427E
SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709
(not available)
4 %ProgramFiles%\Windows NT\Accessories\lpk.dll 0 bytes MD5: 0xD41D8CD98F00B204E9800998ECF8427E
SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709
(not available)

 

Memory Modifications

Process NameProcess FilenameMain Module Size
[generic host process][generic host process filename]20,480 bytes
fsldsw.exe%System%\fsldsw.exe118,784 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 - 0x1001D000
[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 - 0x1001D000
[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 - 0x1001D000
[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 - 0x1001D000
gei33.dll%System%\gei33.dllProcess name: fsldsw.exe
Process filename: %System%\fsldsw.exe
Address space: 0x10000000 - 0x1001D000

Service NameDisplay NameStatusService Filename
aspnet_statesqlcASP.NET State Servicesdce Transaction Coordinator Service"Running"%System%\fsldsw.exe

 

Registry Modifications

 

Other details

China

 

 

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