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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 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from b4343f5e09e5827d64d2-33517233489cbd5e14c32697329cdf36.r30.cf1.rackcdn.com.
Publisher:
Blabbers Communications Ltd  (signed and verified)

Version:
2

MD5:
801443cc85b49e30db4c09efcea35d8e

SHA-1:
ff697d2a7b9e929d5cf685d84a1cfcfce4bf176c

SHA-256:
a993c30605bd95d665f8f4febf96174d29e3c29f51cb6eb697c2ad1674eaa501

Scanner detections:
1 / 68

Status:
Adware

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 4:35:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Blabbers.BlabbersCommunications.Installer (M)
16.1.9.15

File size:
948.1 KB (970,864 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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):
24576:7q+3FMPRU+C5po6u3gA493KIgVvg8InUGf4jWPSMP:L3i2+PMAu3wNgRnJgjWPlP

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://b4343f5e09e5827d64d2-33517233489cbd5e14c32697329cdf36.r30.cf1.rackcdn.com/Browser_Companion_AutoUpdate_for_Chrome.exe

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