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:
8ee53a5396e59ecbcea4f56f87e2a52c

SHA-1:
b9d27f2bcedf474b8059e0a00b1d4487e2d4336e

SHA-256:
6740a402d8bff0828d3e5200d033b97a29e4a2976549e31ee2d56203c0cc6a34

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:
12/23/2024 6:56:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OutBrowse.TOVOsyaTrans.Bundler (M)
15.11.26.13

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:

Authority:
thawte, Inc.

Valid from:
1/12/2015 4:00:00 AM

Valid to:
1/13/2016 3:59:59 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 12:33:13 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
98304:2czOh2RxPdE1sHyI7+wTdKI4TQmdtQJCcvZwuJERGEeyqBZDFtqZxuMS9D1Dm71:2phWBHawcuJCcvZwuayXBZxk/SNM

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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