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 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software.
Publisher:
http://b1.org/  (signed by Catalina Group Ltd)

Product:
Installer B1 Free Archiver

Version:
2, 6, 27, 0

MD5:
a60bcc6df4bf526c75c1f3e273ade180

SHA-1:
a5eb50099786f04f4842755f30513286a637032f

SHA-256:
87a2e5f5a0ad2463a92b82ecc6c7d9adcd444284408cebff1b4f89c39ecb183f

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/27/2024 12:38:33 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Catalina.httpb1or.Installer (M)
16.6.25.9

File size:
26.9 MB (28,180,280 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}\downloads\b1freearchiver.exe

Digital Signature
Authority:
Catalina Group Ltd

Valid from:
4/16/2015 6:53:24 PM

Valid to:
1/1/2040 7:59:59 AM

Subject:
CN=Catalina Group Ltd

Issuer:
CN=Catalina Group Ltd

Serial number:
F16F6DA8DF8C458545A6335860591E9C

File PE Metadata
Compilation timestamp:
5/21/2015 7:22:09 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
786432:Kvj5Q4yAO/eX1hkBZbj/+EExMD119R8dcTfnGGI:WQ4yryhkb2nxMh19RjGGI

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)

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