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silent_installer.exe

TOV Osya-Trans

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application silent_installer.exe by TOV Osya-Trans 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 OutBrowse Revenyou installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs.
Publisher:
TOV Osya-Trans  (signed and verified)

MD5:
ae246889582ff5a4f747bc2f33123d3e

SHA-1:
92e7bd271934afb2ef1d0d65bc4aa84eb2a4d245

SHA-256:
dc820ff7ac93b5c3b5f26bdc9333f1595799ceab4ea2148bbcb9ec659d680092

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/3/2024 5:38:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OutBrowse.TOVOsyaT.Bundler (M)
16.4.20.6

File size:
4.1 MB (4,286,152 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou

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

Digital Signature
Signed by:
TOV Osya-Trans

Authority:
thawte, Inc.

Valid from:
1/12/2015 2:00:00 AM

Valid to:
1/13/2016 1:59:59 AM

Subject:
CN=TOV Osya-Trans, O=TOV Osya-Trans, L=Uzhgorod, S=Uzhgorod, C=UA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
12AC2537444B8393C5CAF0A4ABE47CEE

File PE Metadata
Compilation timestamp:
5/8/2015 11:33:13 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:2czOh2RxPdE1sHyI7+wTdKI4TQmdtQJCcvZwuJERGEeyqBZDFtqZxuMS9D1Dm7l:2phWBHawcuJCcvZwuayXBZxk/SNI

Entry address:
0x8E7C50

Entry point:
60, BE, 00, 50, 8D, 00, 8D, BE, 00, C0, B2, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Packer / compiler:
UPX 2.90LZMA

Code size:
4.1 MB (4,272,128 bytes)

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