Submission Summary:

What's been foundSeverity Level
Produces outbound traffic.
Downloads/requests other files from Internet.
Contains characteristics of an identified security risk.


Technical Details:


Possible Security Risk

Threat CategoryDescription
A code with the rootkit-specific techniques designed to hide the software presence in the 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
53,248 bytes MD5: 0x38AA6D4B6567BC7B5994984BF102520D
SHA-1: 0x924D4567362B1F803054827451F6EE9F387A511A [Kaspersky Lab]
DDoS:Win32/Nitol.A [Microsoft]
Trojan.Win32.Patcher [Ikarus]
2 %Windir%\ccuwco.exe
[file and pathname of the sample #1]
44,544 bytes MD5: 0x5E2B9FF56DE508B05E7EDCC914B4A506
SHA-1: 0xD7957BAB832C42DBB67DDE34B79CBBCE38000D1C
Mal/Behav-116 [Sophos]
DDoS:Win32/Nitol.A [Microsoft]
Backdoor.Win32.Inject [Ikarus]


Memory Modifications

Process NameProcess FilenameMain Module Size
ccuwco.exe%Windir%\ccuwco.exe53,248 bytes
[filename of the sample #1][file and pathname of the sample #1]53,248 bytes

Module NameModule FilenameAddress Space Details
hra33.dll%System%\hra33.dllProcess name: ccuwco.exe
Process filename: %Windir%\ccuwco.exe
Address space: 0x880000 - 0x890000

Service NameDisplay NameStatusService Filename
Abcdef Hijklmno QrsAbcdef Hijklmno Qrstuvwx Abcd"Running"%Windir%\ccuwco.exe


Registry Modifications


Other details


1033TCPccuwco.exe (%Windir%\ccuwco.exe)
1034TCPccuwco.exe (%Windir%\ccuwco.exe)

Remote HostPort Number

Server NameServer PortConnect as UserConnection Password


Outbound traffic (potentially malicious)



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