Submission Summary:

What's been foundSeverity Level
Hosts file modification that may block access to the security web sites.
Creates a startup registry entry.
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 %Temp%\LFS.EXE 2,007,040 bytes MD5: 0x11D88E066DCA381F6C4EAA25EAC210A5
SHA-1: 0x1B84D258737B12D8AA09F3D7EC905A37980CA710
(not available)
2 %System%\deb.log 130 bytes MD5: 0xBA34254F3D48052EDAB44429A6BB2A1C
SHA-1: 0xAF82105D0D6DE55EA6EED09F94744DAF8F3A2D5D
(not available)
3 %System%\MSDCSC\msdcsc.exe
[file and pathname of the sample #1]
1,066,496 bytes MD5: 0x006CA5409036E9CAA7D783A5BDDFE7EC
SHA-1: 0xA6E9E12D147E02DEE203EDFDCEE06CB4F4258320
Backdoor.Win32.DarkKomet.eku [Kaspersky Lab]
Generic BackDoor.yl [McAfee]
Trojan:Win32/Delfsnif.DU [Microsoft]
Trojan.Win32.Siscos [Ikarus]
packed with MPRESS [Kaspersky Lab]

 

Memory Modifications

Process NameProcess FilenameMain Module Size
LFS.EXE%Temp%\LFS.EXE8,912,896 bytes
msdcsc.exe%System%\MSDCSC\msdcsc.exe2,813,952 bytes
[filename of the sample #1][file and pathname of the sample #1]2,813,952 bytes

 

Registry Modifications

 

Other details

United Kingdom
France

 

 

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