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b1freearchiver_0.7.1.1636_inet.exe

B1 Free Archiver Setup

Catalina Group Limited

The application b1freearchiver_0.7.1.1636_inet.exe by Catalina Group Limited has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from pub.b1.org.
Publisher:
b1.org  (signed by Catalina Group Limited)

Product:
B1 Free Archiver Setup

Version:
0.7.1.1636

MD5:
385f150662ff2cde173703f0145f9379

SHA-1:
573d639c0870ef4631d27522a248ae8dd41bd6dd

SHA-256:
afbf8b3162a98ab4d8f77f808823c03eff1d0791d4be0d1cff17a6d1c6f48a6a

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:
4/24/2024 11:07:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Catalina.b1org.Installer (M)
16.3.10.2

File size:
4.5 MB (4,770,368 bytes)

Copyright:
b1.org

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\b1freearchiver_0.7.1.1636_inet.exe

Digital Signature
Signed by:
Catalina Group Limited

Authority:
GoDaddy.com, Inc.

Valid from:
9/27/2012 8:56:54 AM

Valid to:
9/27/2013 8:56:54 AM

Subject:
CN=Catalina Group Limited, O=Catalina Group Limited, L=Kwun Tong, S=Hong Kong, C=HK

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
27B940A1704DC9

File PE Metadata
Compilation timestamp:
4/10/2010 7:19:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
98304:4niDqProhpWF0QTp92cvVwqjdvro4QiKB1LUo5SNIn:4iiEhpjQTPN9w6v/QhLhB

Entry address:
0x354B

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.9276

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file b1freearchiver_0.7.1.1636_inet.exe has been seen being distributed by the following URL.

http://pub.b1.org/BIN/V07.1/.../B1FreeArchiver_0.7.1.1636_Inet.exe

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