b1freearchiver.exe

Installer B1 Free Archiver

Catalina Group Ltd

The application b1freearchiver.exe by Catalina Group has been detected as a potentially unwanted program by 5 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. It is also typically executed from an Internet Explorer cache folder.
Publisher:
http://b1.org/  (signed by Catalina Group Ltd)

Product:
Installer B1 Free Archiver

Version:
2, 6, 27, 0

MD5:
02e5ed33001dfb0f24700d5639744357

SHA-1:
6845be6cc390bcde26c21ba612080f78f53b3cfb

SHA-256:
c01feea9adf823345cf4c3fa098b87b37813d36be45b66e31b9cf5eb3dbdbd6f

Scanner detections:
5 / 68

Status:
Potentially unwanted

Analysis date:
11/27/2024 12:56:59 PM UTC  (today)

Scan engine
Detection
Engine version

Emsisoft Anti-Malware
Backdoor.Bot.135374
8.15.09.25.03

herdProtect (fuzzy)
2015.9.25.15

Reason Heuristics
PUP.Catalina.CatalinaGroup.Installer (M)
15.8.13.16

Rising Antivirus
PE:PUF.4Shared!1.9C25
23.00.65.15923

Trend Micro House Call
TROJ_GEN.F47V0111
7.2.268

File size:
26.9 MB (28,180,288 bytes)

Product version:
2, 6, 27, 0

Copyright:
Copyright(C) 2014

Original file name:
Installer

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\b1freearchiver.exe

Digital Signature
Authority:
Catalina Group Ltd

Valid from:
4/16/2015 7:53:24 AM

Valid to:
12/31/2039 9:59:59 PM

Subject:
CN=Catalina Group Ltd

Issuer:
CN=Catalina Group Ltd

Serial number:
F16F6DA8DF8C458545A6335860591E9C

File PE Metadata
Compilation timestamp:
5/21/2015 8:22:09 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
786432:Cvj5Q4yAO/Uu1hIBZby/+EExMD119R8dcTMnGG:OQ4yrbhIbbnxMh19RKGG

Entry address:
0x5B26A

Entry point:
E8, 9F, DA, 00, 00, E9, 79, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8B, 01, BA, FF, FE, FE, 7E, 03, D0, 83, F0, FF, 33, C2, 83, C1, 04, A9, 00, 01, 01, 81, 74, E8, 8B, 41, FC, 84, C0, 74, 32, 84, E4, 74, 24, A9, 00, 00, FF, 00, 74, 13, A9, 00, 00, 00, FF, 74, 02, EB, CD, 8D, 41, FF, 8B, 4C, 24, 04...
 
[+]

Entropy:
7.9657  (probably packed)

Code size:
470 KB (481,280 bytes)

Remove b1freearchiver.exe - Powered by Reason Core Security