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

 

File System Modifications

#Filename(s)File SizeFile HashAlias
1 %System%\hufzuk.exe
[file and pathname of the sample #1]
87,552 bytes MD5: 0x141494238359CAE3826EDD9891CFFA28
SHA-1: 0xD47438595BFEFE5A8467419BF68C1F4EB5A233F2
W32.Virut.CF [Symantec]
Virus.Win32.Virut.ce [Kaspersky Lab]
W32/Virut.n.gen [McAfee]
Troj/Dloadr-DNE [Sophos]
DDoS:Win32/Nitol.A [Microsoft]
Trojan.Win32.ServStart [Ikarus]

 

Memory Modifications

Process NameProcess FilenameMain Module Size
hufzuk.exe%System%\hufzuk.exe106,496 bytes
[filename of the sample #1][file and pathname of the sample #1]106,496 bytes

Service NameDisplay NameStatusService Filename
NationalgmkNationaldls Instruments Domain Service"Running"%System%\hufzuk.exe

 

Registry Modifications

 

Other details

China

Remote HostPort Number
this-way.codns.com1275
coside.com443

 

 

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