koala personal search-buttonutil64.exe

Bohr­-ium Group

This adware is a web browser extension that will inject advertising in the browser in the form of unwanted banners and text-links which may link to malware sites and install unwanted software. The application koala personal search-buttonutil64.exe, “Koala Personal Search exe” by Bohr­-ium Group has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is built using the Crossrider cross-browser extension toolkit. While the file utilizes the Crossrider framework and delivery services, it is not owned by Crossrider. It is part of the Brightcircle group of web-extensions that inject advertisements in the browser.
Publisher:
Koala Personal Search  (signed by Bohr­-ium Group)

Product:
Koala Personal Search

Description:
Koala Personal Search exe

Version:
1000.1000.1000.1000

MD5:
8fcea969551f8b5917454a446b5a8218

SHA-1:
713ae94d5d80b46c6cfee9f7cfb88cdeb0d0722f

SHA-256:
f2b22938a97430262ee3563e35e541eb8c7f74a2ba182c6894827a93fc6a00b8

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Crossrider toolbar platform. It will download and install new code and Javascript updates for the extension.

Note:
Crossrider is the owner of a platform that enables the creation of cross-browser extensions by developers but is not the owner of this detected application. The owner/publisher of this file is Bohr­-ium Group.

Analysis date:
1/25/2020 11:10:48 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Crossrider (M)
17.2.13.20

File size:
379.9 KB (388,992 bytes)

Product version:
1000.1000.1000.1000

Copyright:
Copyright 2011

Original file name:
Koala Personal Search.exe

File type:
Executable application (Win64 EXE)

Language:
English (United States)

Common path:
C:\Program Files\koala personal search\koala personal search-buttonutil64.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
8/13/2014 8:00:00 PM

Valid to:
8/14/2015 7:59:59 PM

Subject:
CN=Bohr­-ium Group, O=Bohr­-ium Group, STREET=Athinodorou 3, L=Nicosia, S=Nicosia, PostalCode=2025, C=CY

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

Serial number:
79AE90FF01AB303C263027AB2FC84409

File PE Metadata
Compilation timestamp:
10/8/2014 3:33:45 PM

OS version:
5.2

OS bitness:
Win64

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0x243C8

Entry point:
48, 83, EC, 28, E8, 3F, A5, 00, 00, 48, 83, C4, 28, E9, 02, 00, 00, 00, CC, CC, 48, 89, 5C, 24, 10, 48, 89, 74, 24, 18, 57, 48, 83, EC, 30, E8, 90, 20, 00, 00, 0F, B7, F0, B9, 02, 00, 00, 00, E8, CB, A4, 00, 00, B8, 4D, 5A, 00, 00, 48, 8D, 3D, F7, BB, FD, FF, 66, 39, 05, F0, BB, FD, FF, 74, 04, 33, DB, EB, 31, 48, 63, 05, 1F, BC, FD, FF, 48, 03, C7, 81, 38, 50, 45, 00, 00, 75, EA, B9, 0B, 02, 00, 00, 66, 39, 48, 18, 75, DF, 33, DB, 83, B8, 84, 00, 00, 00, 0E, 76, 09, 39, 98, F8, 00, 00, 00, 0F, 95, C3, 89...
 
[+]

Entropy:
6.0563

Code size:
242 KB (247,808 bytes)

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