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Guiformat.exe

Guiformat

The executable Guiformat.exe has been detected as malware by 11 anti-virus scanners. 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. The file has been seen being downloaded from www.ridgecrop.demon.co.uk.
Product:
Guiformat

Version:
1.01

MD5:
938314a9c49d78677b69811422cf368d

SHA-1:
e3701fc1b9a449d0de854af26cf273256da99c54

SHA-256:
207b4c39dae43c0d2528b2fc11615f5f44bdabe3e56325dba375d24c04f3e8d5

Scanner detections:
11 / 68

Status:
File is infected by a Virus

Explanation:
The file is infected by a polymorphic file infector virus.

Analysis date:
4/25/2024 1:25:46 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:RmnDrp
160216-0

AVG
Win32/Zbot.G
2015.0.4530

Dr.Web
Win32.Rmnet.8
9.0.1.05190

Emsisoft Anti-Malware
Win32.Ramnit.N
11.5.0.6191

ESET NOD32
Win32/Ramnit.H virus
8.0.319.0

F-Prot
W32/Ramnit.E
4.6.5.141

F-Secure
Win32.Ramnit.N
5.15.21

Kaspersky
Virus.Win32.Nimnul
15.0.0.562

McAfee
Virus.W32/Ramnit.a
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.7574.0

Norman
Win32.Ramnit.N
29.02.2016 03:11:57

File size:
436.5 KB (446,949 bytes)

Product version:
1.01

Copyright:
Copyright © 2009 Ridgecrop Consultants Ltd

Original file name:
Guiformat.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

File PE Metadata
Compilation timestamp:
10/30/2013 5:45:00 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:tI+UchNOgECUecGoGTzaXVLDF2EnKYHCMURUzrNgbYArXuzQkMICRf76E+8:tDhkgXfaXVLDiOZl5hCRDhR

Entry address:
0x14000

Entry point:
60, E8, 00, 00, 00, 00, 5D, 8B, C5, 81, ED, CE, B2, 01, 20, 2B, 85, 35, BA, 01, 20, 89, 85, 31, BA, 01, 20, B0, 00, 86, 85, 66, BC, 01, 20, 3C, 01, 0F, 85, BC, 01, 00, 00, 83, BD, 61, BB, 01, 20, 00, 74, 33, 83, BD, 65, BB, 01, 20, 00, 74, 2A, 8B, 85, 31, BA, 01, 20, 2B, 85, 61, BB, 01, 20, 8B, 00, 89, 85, 9E, BB, 01, 20, 8B, 85, 31, BA, 01, 20, 2B, 85, 65, BB, 01, 20, 8B, 00, 89, 85, A2, BB, 01, 20, EB, 61, 83, BD, 69, BB, 01, 20, 00, 74, 58, 8B, 85, 31, BA, 01, 20, 2B, 85, 69, BB, 01, 20, FF, 30, 8D, 85...
 
[+]

Entropy:
6.2056

Packer / compiler:
ASPack v1.08.04

Code size:
40 KB (40,960 bytes)

The file Guiformat.exe has been seen being distributed by the following URL.

http://www.ridgecrop.demon.co.uk/guiformat.exe

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