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lkbfeu.exe

Kimahri Software inc.

This adware uses the Crossrider platform to build and distribute this web browser advertising injection extension. Once installed in the browser it will hijack various browser settings (homepage, search) and may interfere and track behaviors as well as deliver ads. The application lkbfeu.exe by Kimahri Software inc 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 Nullsoft Install System installer. It is part of the Brightcircle group of web-extensions that inject advertisements in the browser.
Publisher:
Kimahri Software inc.  (signed and verified)

Version:
1.32.153.0

MD5:
3e9b6afa16a3bfffb9ebba7ab60da318

SHA-1:
d62d4207a3dc47177be357dfc3c4f29a266b31d5

SHA-256:
4603f9610a75c0eeecc7acee13aa06344c2e823bb8d7afd0f3d0da2c5703b0e9

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:
4/23/2024 7:12:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Brightcicrle.Brightcircle.Installer (M)
15.8.30.15

File size:
5 MB (5,220,280 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\lkbfeu.exe

Digital Signature
Signed by:
Kimahri Software inc.

Authority:
COMODO CA Limited

Valid from:
3/6/2013 5:00:00 PM

Valid to:
3/6/2016 4:59:59 PM

Subject:
CN=Kimahri Software inc., O=Kimahri Software inc., STREET=666 Sherbrooke Rue w, L=Montreal, S=Quebec, PostalCode=H3A 1E7, C=CA

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

Serial number:
00A1BB8569950C0B2080A11A0E2F618B33

File PE Metadata
Compilation timestamp:
2/19/2012 8:01:49 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
98304:GnPuxLNHd80gOmfaJ6hYAz3j2obyrIwgMVZ3vi2G+8VbOEfCXFD517x:g45Hu0gOtiH2o2zV9625QPqXFF1F

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Entropy:
7.9981  (probably packed)

Code size:
34.5 KB (35,328 bytes)

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