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browser_companion_autoupdate_for_chrome.exe

Blabbers Communications Ltd

This is the Blabbers installer, a PUP (potentially unwanted program) that will modify the web browser's search behavior as well as may hijack the browser's home page and other providers. The application browser_companion_autoupdate_for_chrome.exe by Blabbers Communications has been detected as adware by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from 3a919d52d2d9a9bf3c75-71f2ab24c215ca8f3ea4e2e2bf7af8e0.r40.cf1.rackcdn.com.
Publisher:
Blabbers Communications Ltd  (signed and verified)

Version:
2

MD5:
18a80ae778545320f6fc8568ecec0626

SHA-1:
4bbf6528211d0af06ea93702a195d8d05ec9d7d9

SHA-256:
44a8821948bf6c919a2d4fb6c1f89fa501d06d844ebb46704ea7512437c7c3af

Scanner detections:
3 / 68

Status:
Adware

Analysis date:
4/25/2024 5:04:57 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/BrowserCompanion
9.8157

Reason Heuristics
PUP.Blabbers.Installer
15.5.26.12

Trend Micro House Call
TROJ_GEN.F47V0225
7.2.146

File size:
948.1 KB (970,872 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

Digital Signature
Signed by:
Blabbers Communications Ltd

Authority:
COMODO CA Limited

Valid from:
2/20/2012 6:00:00 PM

Valid to:
2/20/2014 5:59:59 PM

Subject:
CN=Blabbers Communications Ltd, O=Blabbers Communications Ltd, STREET=Arad 3, L=Tel Aviv, S=Israel, PostalCode=43034, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00A56E0C91F7B125DC48FCA4C6077C7BC6

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:jQKFMPRU+C5po6u3gA193KIgVvg8RG+4jPPhP:Fi2+PMA73wNglfjPPhP

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9870

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://3a919d52d2d9a9bf3c75-71f2ab24c215ca8f3ea4e2e2bf7af8e0.r40.cf1.rackcdn.com/Browser_Companion_AutoUpdate_for_Chrome.exe

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