Submission Summary:

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


Technical Details:


Possible Security Risk

Threat CategoryDescription
A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment
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 %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
70,656 bytes MD5: 0xD2CCC552592575A27990BB011B124DA0
SHA-1: 0x0E34D357ADE759E68629E4BCE8B741D57EC0C849
Trojan.Dropper [Symantec]
not-a-virus:RiskTool.Win32.FakeLPK.p [Kaspersky Lab]
Mal/Nitol-C [Sophos]
DDoS:Win32/Nitol.A [Microsoft]
Trojan.Win32.Patcher [Ikarus]
60,928 bytes MD5: 0x5112E034FACB9DFE76116E8DE6B6A4E7
SHA-1: 0x113384C06F1DF0BEB03C2C6BA79253F38D294909
W32.Virut.U [Symantec]
Virus.Win32.Virut.q [Kaspersky Lab]
W32/Virut.gen [McAfee]
PE_VIRUT.XP [Trend Micro]
W32/Vetor-A [Sophos]
Virus:Win32/Virut.K [Microsoft]
Trojan.Win32.ServStart [Ikarus]
Win32/Virut.D [AhnLab]


Memory Modifications

Process NameProcess FilenameMain Module Size
rebfec.exe%System%\rebfec.exe98,304 bytes
[filename of the sample #1][file and pathname of the sample #1]98,304 bytes

Module NameModule FilenameAddress Space Details
gei33.dll%System%\gei33.dllProcess name: rebfec.exe
Process filename: %System%\rebfec.exe
Address space: 0x3E0000 - 0x3F5000

Service NameDisplay NameStatusService Filename
netscvreNT LM Security Support Providers"Running"%System%\rebfec.exe


Registry Modifications


Other details


1033TCPrebfec.exe (%System%\rebfec.exe)
1034TCPrebfec.exe (%System%\rebfec.exe)

Remote HostPort Number


Outbound traffic (potentially malicious)



All content ("Information") contained in this report is the copyrighted work of Threat Expert Ltd and its associated companies ("ThreatExpert") and may not be copied without the express permission of ThreatExpert.

The Information is provided on an "as is" basis. ThreatExpert disclaims all warranties, whether express or implied, to the maximum extent permitted by law, including the implied warranties that the Information is merchantable, of satisfactory quality, accurate, fit for a particular purpose or need, or non-infringing, unless such implied warranties are legally incapable of exclusion. Further, ThreatExpert does not warrant or make any representations regarding the use or the results of the use of the Information in terms of their correctness, accuracy, reliability, or otherwise.

Copyright © 2017 ThreatExpert. All rights reserved.