Submission Summary:

What's been foundSeverity Level
Produces outbound traffic.
Creates a startup registry entry.
Contains characteristics of an identified security risk.


Technical Details:


Possible Security Risk

Security RiskDescription
Backdoor.Bifrose Backdoor.Bifrose is a backdoor trojan that attempts to propagate by exploiting local network shares. It will also attempt to join a predefined IRC server and channel in order to participate in DDoS attacks.

Threat CategoryDescription
A malicious trojan horse or bot that may represent security risk for the compromised system and/or its network environment


File System Modifications

#Filename(s)File SizeFile HashAlias
1 %AppData%\addons.dat 24,750 bytes MD5: 0xA836FA4A28B889CFEC9B68F8E1FBAD34
SHA-1: 0xD8F3F5B200F167219585574BB86201B057878D7E
(not available)
2 %ProgramFiles%\shell\logg.dat 0 bytes MD5: 0xD41D8CD98F00B204E9800998ECF8427E
SHA-1: 0xDA39A3EE5E6B4B0D3255BFEF95601890AFD80709
(not available)
3 %ProgramFiles%\shell\server.exe 116,652 bytes MD5: 0xB253D2FBAEFA1C526ACAC4CDAFA4F9FE
SHA-1: 0x4B9EA6706815391185592C6439B40266C251A023
Trojan.Win32.Buzus.eaqt [Kaspersky Lab]
Mal/DInjAF-A, Mal/Mdrop-E [Sophos]
VirTool:Win32/DelfInject.gen!AF [Microsoft]


Memory Modifications

Process NameProcess FilenameMain Module Size
server.exe%ProgramFiles%\shell\server.exe35,168 bytes
[filename of the sample #1][file and pathname of the sample #1]35,168 bytes


Registry Modifications


Other details

Remote HostPort Number


Outbound traffic (potentially malicious)



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