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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:
42fb0d15e818cf8716c4579ff64d0c4a

SHA-1:
a1c4267d152bec1dbab0dbf01cddbf93ce9eef38

SHA-256:
d50cc1d8bc78e89012320f198619772d3026f283c0669d3d35859cea2f0497df

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse 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:
5/4/2024 4:10:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OutBrowse.TOVOsyaT.Bundler (M)
16.7.10.1

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+wTdKI4TQmdtQJCcvZwuJERGEeyqBZDFtqZxuMS9D1Dm7m:2phWBHawcuJCcvZwuayXBZxk/SN/

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...
 
[+]

Entropy:
7.8002

Packer / compiler:
UPX 2.90LZMA

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

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