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ComboFix.exe

ComboFix

Swearware

ComboFix is an application from sUBs that scans your computer for the most common and current malware, and when found, attempts to clean these infections. This is a self-extracting archive and installer. The file has been seen being downloaded from download.bleepingcomputer.com and multiple other hosts.
Publisher:
Swearware

Product:
ComboFix

Description:
ComboFix NSIS Installer

Version:
12.10.19.01

MD5:
70c713eb3440c53062d9af9fcb5560dd

SHA-1:
aac347456ed9214706be83ab7d7285ae48029370

SHA-256:
e16a317cdcdcf71624fd217ea581f1539388fdaa4db1794f6cca04f273b51c44

Scanner detections:
4 / 68

Status:
Clean  (4 probable false positive detections)

Explanation:
These detections are probably false positives (erroneous), the file is probably malware free.

Analysis date:
4/25/2024 12:40:33 PM UTC  (today)

Scan engine
Detection
Engine version

McAfee
Artemis!70C713EB3440
5600.6658

Qihoo 360 Security
virus.bat.runner.run
1.0.0.1015

Rising Antivirus
PE:Trojan.Win32.Generic.15632D02!358821122
23.00.65.15828

Sophos
NirCmd
4.98

File size:
4.8 MB (4,984,242 bytes)

Copyright:
sUBs

Original file name:
ComboFix.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\combofix.exe

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:7GxxYCHzsTigym4sBEsuotUTnrJRt7bZHSXxXy9iHoItLYKjiVayn0TuCnBt:6xBHuyVGEs/tUTrr1RCxC9CohKeVayn+

Entry address:
0x313C0

Entry point:
60, BE, 00, D0, 42, 00, 8D, BE, 00, 40, FD, FF, 57, EB, 0B, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, EF, 75, 09, 8B, 1E, 83, EE, FC, 11, DB, 73, E4, 31, C9, 83, E8, 03, 72, 0D, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 74, 89, C5, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, 75, 20, 41, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB...
 
[+]

Entropy:
7.9998

Packer / compiler:
UPX v0.89.6 - v1.02 / v1.05 -v1.24

Code size:
20 KB (20,480 bytes)

The file ComboFix.exe has been seen being distributed by the following 2 URLs.

http://download.bleepingcomputer.com/dl/ef0d7c66e12d7d86ff1f1d2a984b99a0/5082755f/windows/security/anti-virus/c/.../ComboFix.exe

http://download.bleepingcomputer.com/dl/70ed8bb6c8485d5dc86a867254ca83a5/50833318/windows/security/anti-virus/c/.../ComboFix.exe

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