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browser_helper_companion.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_helper_companion.exe by Blabbers Communications has been detected as adware by 7 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 media.instcdn.com.
Publisher:
Blabbers Communications Ltd  (signed and verified)

Version:
2

MD5:
3d03e86e0d3f8e2bb30d0c373d85bd94

SHA-1:
ca93fb612f22ba71d93c41c5530f9c1cf6642019

SHA-256:
8f9de05064335527f68cecc24b1b159560c07470d698cb573db72349b689c723

Scanner detections:
7 / 68

Status:
Adware

Analysis date:
11/23/2024 4:37:44 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Trojan.Win32.Agent
4.0.3.14721

Comodo Security
Heur.Suspicious
17122

Dr.Web
Adware.Shopper.303
9.0.1.0202

ESET NOD32
Win32/BrowserCompanion
8.8930

Reason Heuristics
PUP.BlabbersCommunications.Y
14.8.7.17

Trend Micro House Call
ADW_BLABBERS
7.2.202

Trend Micro
ADW_BLABBERS
10.465.21

File size:
1 MB (1,078,464 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_helper_companion.exe

Digital Signature
Signed by:
Blabbers Communications Ltd

Authority:
The USERTRUST Network

Valid from:
2/10/2011 12:00:00 AM

Valid to:
2/10/2012 11:59:59 PM

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

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
00D561643A7697D633BCB565E2E1EF7365

File PE Metadata
Compilation timestamp:
12/5/2009 10:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:vObT5po6u3jmLwW/k26x6vwpGeT9o7N40Z1iPgPI:WAis7M4o7Nf1iPgPI

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:
7.9898

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://media.instcdn.com/xmlcdn/.../Browser_Helper_Companion.exe

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