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ytbmk_setup.exe

Boris Vladimirovich BOBOVSKY

The setup package is an adware installer (using InstalleRex) that will deploy with little or no user consent adware offerings including but not limited to browser extensions (add-ins, toolbars) that will inject various forms of advertising in the user's browser. The application ytbmk_setup.exe by Boris Vladimirovich BOBOVSKY 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 WebPick InstalleRex installer.
Publisher:
Boris Vladimirovich BOBOVSKY  (signed and verified)

MD5:
0ab4777d0803faf6e31d10b19c412345

SHA-1:
15dcbc84d93a4a6b90d5303724112fcaf4f22ef5

SHA-256:
02bee356c11ff8f2e24c95c706906ad347f3f3cb4d9794583898424a7ef34be0

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional adware products (monetized browser extensions, ad injectors) in the installer.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/16/2024 8:52:05 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.BorisVladimirovichBOBOVSKY.Bundler (M)
16.2.12.19

File size:
551.1 KB (564,304 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
WebPick InstalleRex

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

Digital Signature
Signed by:
Boris Vladimirovich BOBOVSKY

Authority:
Unizeto Technologies S.A.

Valid from:
12/27/2013 1:31:44 PM

Valid to:
12/27/2014 1:31:44 PM

Subject:
E=bob@borr.info, CN="Open Source Developer, Boris Vladimirovich BOBOVSKY", O=Boris Vladimirovich BOBOVSKY, C=UA

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
1ADBC4E5D3604FB9725702528437E82A

File PE Metadata
Compilation timestamp:
9/9/2013 10:07:55 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:ec1sFyvLt9T7flXsDNxnzWj/w3hQ/wvmWuOHFeYOBrZ+gW:7LzPoHaj/whf+WtHFNOBtzW

Entry address:
0xD5B4

Entry point:
E8, 72, 4F, 00, 00, E9, 78, FE, FF, FF, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 38, C0, 41, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 3C, C0, 41, 00, 5D, C3, 05, 44, FF, FF, FF, 6A, 0E, 59, 3B, C8, 1B, C0, 23, C1, 83, C0, 08, 5D, C3, E8, 09, 19, 00, 00, 85, C0, 75, 06, B8, A0, C1, 41, 00, C3, 83, C0, 08, C3, E8, F6, 18, 00, 00, 85, C0, 75, 06, B8, A4, C1, 41, 00, C3, 83, C0, 0C, C3, 8B, FF, 55, 8B, EC, 56, E8, E2, FF, FF, FF, 8B, 4D, 08...
 
[+]

Code size:
88 KB (90,112 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to i1.stylefun.info  (198.7.61.118:80)

TCP (HTTP):
Connects to dl.softservers.net  (184.154.145.171:80)

TCP (HTTP):
Connects to c1.getapplicationmy.info  (54.201.215.30:80)

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