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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:
0aed54ed1664873684a0359d69bc6243

SHA-1:
a4365691df62b867b6b61de85ae5067324934e7d

SHA-256:
146bf2daa045f624da934db3f821da0d74ed3746f6909c6336bccbbf7719e50e

Scanner detections:
1 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/27/2024 1:11:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.15.19

File size:
551.1 KB (564,368 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 7:31:44 AM

Valid to:
12/27/2014 7:31:44 AM

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 5:07:55 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

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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