crtjh.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 crtjh.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:
1.34.5.4

MD5:
f47a9cc78f104ef0b80e166958e66333

SHA-1:
2a9492441a099f2d71e681a999e999b6d346f3dc

SHA-256:
111f193d6bec02ec95bf6490660eb68beded54f96f6b8ff5e0bf1136d5955694

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:
4/19/2024 12:27:53 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Brightcicrle.Brightcircle.Installer (M)
15.11.20.7

File size:
6.6 MB (6,880,424 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\crtjh.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
3/6/2013 7:00:00 PM

Valid to:
3/6/2016 6:59:59 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:
12/4/2012 8:55:02 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
98304:/3ITAm/BhjGHDd7xw6Njknl8kgRoXBCs+B4f8asIxhjoEY1niitgAjT2Tb/ZOqxf:/CDSHDdG6NjOaeBp+lThEY1irmlO6/LK

Entry address:
0x4323

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, C3, 44, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, C4, 44, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, C4, 44, 00, 56, A3, 40, 3B, 44, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 3B, 44, 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, C4, 44, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Entropy:
7.9980  (probably packed)

Code size:
34.5 KB (35,328 bytes)

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