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bsserver.exe

Suprema Inc.

The executable bsserver.exe has been detected as malware by 17 anti-virus scanners. It runs as a separate (within the context of its own process) windows Service named “BioStar Server”. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server.
Publisher:
Suprema Inc.  (signed and verified)

MD5:
739f659965aa2c4a6afeb6f4ea2d55ce

SHA-1:
08bbec4b91ed6aca42546283fe3416ebaac67659

SHA-256:
389bc36687bdd7018f3005fd289c02be70e5e848c278207b88879a7cc364b18b

Scanner detections:
17 / 68

Status:
Malware

Explanation:
bsserver.exe is infected by a worm that might download, install and run additional malware as well as may spread to other executable files.

Analysis date:
4/24/2024 11:23:55 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Ramnit.N
5691347

Avira AntiVirus
W32/Ramnit.C
7.11.30.172

avast!
Win32:RmnDrp
160112-0

AVG
Win32/Zbot.G
2015.0.4489

Clam AntiVirus
W32.Ramnit-1
0.98/21271

Dr.Web
Win32.Siggen.7
9.0.1.05190

Emsisoft Anti-Malware
Win32.Ramnit.N
10.0.0.5366

ESET NOD32
Win32/Ramnit.H virus
7.0.302.0

F-Prot
W32/Ramnit.D
4.6.5.141

F-Secure
Win32.Ramnit.N
5.15.21

Kaspersky
Virus.Win32.Nimnul
15.0.0.562

McAfee
Virus.W32/Virut.n.gen
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.3172.0

Norman
Win32.Ramnit.N
11.01.2016 17:30:26

Sophos
Virus 'W32/Ramnit-A'
5.23

VIPRE Antivirus
Threat.4732184
46444

File size:
1.2 MB (1,266,001 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\biostar\server\bsserver.exe

Digital Signature
Signed by:
Suprema Inc.

Authority:
Suprema Inc.

Valid from:
12/13/2006 3:53:55 PM

Valid to:
12/8/2026 3:53:55 PM

Subject:
O=Suprema Inc., CN=Suprema CA

Issuer:
O=Suprema Inc., CN=Suprema CA

Serial number:
00E36262D0F07537CB

File PE Metadata
Compilation timestamp:
4/26/2007 3:50:45 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
24576:ab+jZWUdry02zwBmg2wLs8tx32quC86pWpCRvmF766TuRzan6Ts/5ef6Lds8s:a4Zbry22wLs8Jz86pWsRzan6Ts/57Ldg

Entry address:
0x2D4000

Entry point:
60, E8, 00, 00, 00, 00, 5D, 8B, C5, 81, ED, 1E, A5, 01, 20, 2B, 85, 85, AC, 01, 20, 89, 85, 81, AC, 01, 20, B0, 00, 86, 85, B6, AE, 01, 20, 3C, 01, 0F, 85, BC, 01, 00, 00, 83, BD, B1, AD, 01, 20, 00, 74, 33, 83, BD, B5, AD, 01, 20, 00, 74, 2A, 8B, 85, 81, AC, 01, 20, 2B, 85, B1, AD, 01, 20, 8B, 00, 89, 85, EE, AD, 01, 20, 8B, 85, 81, AC, 01, 20, 2B, 85, B5, AD, 01, 20, 8B, 00, 89, 85, F2, AD, 01, 20, EB, 61, 83, BD, B9, AD, 01, 20, 00, 74, 58, 8B, 85, 81, AC, 01, 20, 2B, 85, B9, AD, 01, 20, FF, 30, 8D, 85...
 
[+]

Entropy:
6.8911

Packer / compiler:
ASPack v1.08.04

Code size:
772 KB (790,528 bytes)

Service
Display name:
BioStar Server

Description:
BioStar Server by Suprema Inc.

Type:
Win32OwnProcess


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