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tbhcn.exe

tcbhn

Blabbers Communications Ltd

Part of Blabbers, a potentially unwanted browser application that may hijack or interfere with the browser's standard web searching behaviors in order to display ads. The application tbhcn.exe has been detected as a potentially unwanted program by 2 anti-malware scanners. It runs as a scheduled task under the Windows Task Scheduler triggered to execute each time a user logs in. While running, it connects to the Internet address unknown.prolexic.com on port 80 using the HTTP protocol.
Publisher:
Blabbers Communications Ltd

Product:
tcbhn

Version:
1.0.0.5

MD5:
193a62bc5a4e580e3547bc7270ca74c9

SHA-1:
0633095f8751ff9b5ed587ec314b476acf6c6b8e

SHA-256:
6d4df0b324b4d25ed3fe0ce2848e9043328ede99c7390ab710e17afc8d2f971a

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
4/23/2024 1:12:42 PM UTC  (today)

Scan engine
Detection
Engine version

Boost by Reason
Optional.Task.BlabbersCommunications.F
188163

Reason Heuristics
PUP.Task.BlabbersCommunications.F
14.3.1.2

File size:
724.5 KB (741,888 bytes)

Product version:
1.0.0.5

Copyright:
(c) Blabbers Communications Ltd. All rights reserved.

Original file name:
tcbhn.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\ProgramData\ginyasbrowsercompanion\tbhcn.exe

File PE Metadata
Compilation timestamp:
1/13/2013 9:42:41 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:EkAy100Bx0+6yy/0DHRNSTq0SfstrNtmM+8RVREHkqo8r9kPdU2HMbp0hJ2LG562:mSC2DSTq0S0tNtt+81PpsbahJ2LGn09Z

Entry address:
0x779BE

Entry point:
E8, A3, E5, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 10, FF, 75, 0C, 8D, 4D, F0, E8, A3, BE, FF, FF, 8B, 45, F0, 83, B8, AC, 00, 00, 00, 01, 7E, 16, 8D, 45, F0, 50, 68, 03, 01, 00, 00, FF, 75, 08, E8, 09, E6, 00, 00, 83, C4, 0C, EB, 12, 8B, 80, C8, 00, 00, 00, 8B, 4D, 08, 0F, B7, 04, 48, 25, 03, 01, 00, 00, 80, 7D, FC, 00, 74, 07, 8B, 4D, F8, 83, 61, 70, FD, C9, C3, 8B, FF, 55, 8B, EC, 83, 3D, 28, D6, 4A, 00, 00, 75, 14, 8B, 45, 08, 8B, 0D, 78, BF, 4A, 00, 0F, B7, 04, 41, 25, 03, 01, 00, 00...
 
[+]

Entropy:
6.7183

Code size:
578.5 KB (592,384 bytes)

5 Scheduled Tasks
Task name:
GinyasBrowserCompanion Chrome Watcher

Trigger:
Logon (Runs on logon)

Task name:
GinyasBrowserCompanion FireFox Watcher

Trigger:
Logon (Runs on logon)

Task name:
GinyasBrowserCompanion Stats Report

Trigger:
Logon (Runs on logon)

Task name:
GinyasBrowserCompanion Update Checker

Trigger:
Logon (Runs on logon)

Task name:
GinyasBrowserCompanion Chrome Watcher

Trigger:
Logon (Runs on logon)

Action:
tbhcn.exe \task=1 \closebr=1 \installon=7 \active=24 \update


The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to unknown.prolexic.com  (72.52.4.90:80)

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