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s.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 s.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. This is a setup program which is used to install the application. The file has been seen being downloaded from fastwinnermyall.ru. While running, it connects to the Internet address dl.softservers.net on port 80 using the HTTP protocol.
Publisher:
Boris Vladimirovich BOBOVSKY  (signed and verified)

MD5:
05e91d25bfbc633377bf92c0fb008c05

SHA-1:
2718d3544f83a7a00abdeb6270fc324c862f8311

SHA-256:
5650e84a57f070251ab70f96b47b4ba236872100149e629b121a9cdc0c675f57

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
4/16/2024 5:32:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick.BorisVladimirovichBOBOVSKY (M)
16.2.7.22

File size:
551.1 KB (564,304 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\s.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:ec1sFyvLt9mZJ6/S/SEa23E3PxPMSfVqeDj/t4N2NXN8Rehy1HXWY/Tr:7Lzm/qNJBfV3Dj6UNqca/n

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...
 
[+]

Entropy:
7.8330  (probably packed)

Code size:
88 KB (90,112 bytes)

The file s.exe has been seen being distributed by the following URL.

http://fastwinnermyall.ru/?e=ytk&publisher=2145&country=TH&cht=2&dd=5&ind=2681955409922141289&exid=1390139967050283827&ssd=15681093206082336822&hid=9853132702014540012&osid=603&channel=0&sfx=1&category_name=&install_date=20130119

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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