irk.exe

Laroste Apps

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 irk.exe, “HD-Quality-v3V03.10 exe” by Laroste Apps has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is part of the Brightcircle group of web-extensions that inject advertisements in the browser.
Publisher:
HD-Quality-v3V03.10  (signed by Laroste Apps)

Product:
HD-Quality-v3V03.10

Description:
HD-Quality-v3V03.10 exe

Version:
1000.1000.1000.1000

MD5:
5d75490214855c63b9efdb6414599d35

SHA-1:
7a11552b7bde0c798a9384020794ee324e10a8d2

SHA-256:
d40e91fff7b9ed1af3c00f15f234d85604e244f5758fb12ebddd0ed644efd296

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:
2/23/2020 5:35:55 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Brightcircle (M)
17.3.14.18

File size:
1.5 MB (1,524,632 bytes)

Product version:
1000.1000.1000.1000

Copyright:
Copyright 2011

Original file name:
HD-Quality-v3V03.10.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\roaming\irk.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
8/27/2014 9:00:00 PM

Valid to:
8/28/2015 8:59:59 PM

Subject:
CN=Laroste Apps, O=Laroste Apps, STREET=Athinodorou 3, STREET=Dasoupoli Strovolos, L=Nicosia, S=Cyprus, PostalCode=2025, C=CY

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

Serial number:
009EFC01D81F792E8B74E2AA245D97A66B

File PE Metadata
Compilation timestamp:
10/2/2014 4:34:53 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0xEEC00

Entry point:
E8, B9, 00, 01, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 56, 8B, 75, 08, 85, F6, 78, 09, E8, EC, 01, 01, 00, 3B, 30, 7C, 07, E8, E3, 01, 01, 00, 8B, 30, E8, D6, 01, 01, 00, 8B, 04, B0, 5E, 5D, C3, 55, 8B, EC, 56, E8, 34, 5F, 00, 00, 8B, F0, 85, F6, 75, 07, B8, 20, 37, 55, 00, EB, 26, 53, 57, 33, FF, BB, 86, 00, 00, 00, 39, 7E, 24, 75, 1B, 6A, 01, 53, E8, 7E, 31, 00, 00, 59, 59, 89, 46, 24, 85, C0, 75, 0A, B8, 20, 37, 55, 00, 5F, 5B, 5E, 5D, C3, FF, 75, 08, 8B, 76, 24, E8, 90, FF, FF, FF, 50, 53, 56, E8, 35, EE...
 
[+]

Code size:
1.1 MB (1,146,368 bytes)

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