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yqby.exe

Browsers+_App#s#

Micro Yellow Lab

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 yqby.exe, “Browsers+_App#s# exe” by Micro Yellow Lab has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is distributed as part of the Brightcircle group of browser-extensions.
Publisher:
app  (signed by Micro Yellow Lab)

Product:
Browsers+_App#s#

Description:
Browsers+_App#s# exe

Version:
1000.1000.1000.1000

MD5:
8cc992c41034c3bc7cc0444ad56789f6

SHA-1:
b0663b2737d4d099ad3418899b6f49670bb10016

SHA-256:
6a72b2e1bcfc67d2b8da6d2047e02476db228f4bdc30d26c708406272eaaf398

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:
4/25/2024 4:57:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Brightcircle (M)
17.3.12.3

File size:
1.5 MB (1,545,120 bytes)

Product version:
1000.1000.1000.1000

Copyright:
Copyright 2011

Original file name:
Browsers+_App#s#.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Micro Yellow Lab

Authority:
COMODO CA Limited

Valid from:
8/28/2014 2:00:00 AM

Valid to:
8/29/2015 1:59:59 AM

Subject:
CN=Micro Yellow Lab, O=Micro Yellow Lab, 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:
009AFA5E0D9A7B3EBDF9FADE2F928085CE

File PE Metadata
Compilation timestamp:
9/28/2014 9:37:47 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

Entry address:
0xF17B0

Entry point:
E8, C3, 00, 01, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 56, 8B, 75, 08, 85, F6, 78, 09, E8, F6, 01, 01, 00, 3B, 30, 7C, 07, E8, ED, 01, 01, 00, 8B, 30, E8, E0, 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, C0, 85, 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, C0, 85, 55, 00, 5F, 5B, 5E, 5D, C3, FF, 75, 08, 8B, 76, 24, E8, 90, FF, FF, FF, 50, 53, 56, E8, 3F, EE...
 
[+]

Code size:
1.1 MB (1,166,848 bytes)

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