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Setup.exe

otOpIa Soft

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The file Setup.exe by otOpIa Soft 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. This downloadble file is typically blocked through Google's Safe Browsing technology in Chrome web browser.
Publisher:
FCSYN  (signed by otOpIa Soft)

Product:
FCSYN

Version:
4924.15527.830.9238

MD5:
38079dc9ec7bee810194bb114b3f6e65

SHA-1:
0954295f3925d448846060e6370f125aab897471

SHA-256:
5355b802197bfd1dc20702102204620ec87c887d0eac82b53d67c35c4fa9d8b9

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
12/25/2024 6:16:44 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.otOpIaSo.Bundler (M)
16.6.26.14

File size:
743.7 KB (761,576 bytes)

Product version:
4924.15527.830.9238

Copyright:
FCSYN

Trademarks:
FCSYN

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\setup.exe

Digital Signature
Signed by:
otOpIa Soft

Authority:
thawte, Inc.

Valid from:
5/25/2015 8:00:00 PM

Valid to:
12/17/2015 6:59:59 PM

Subject:
CN=otOpIa Soft, O=otOpIa Soft, L=Dublin, S=Dublin, C=IE

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

Serial number:
1BE027B843E848104AAC09658A6D1CA0

File PE Metadata
Compilation timestamp:
12/5/2009 5:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:WBOR6swLtbNt8c4sjd2FIY0kzITl0wDVkYwZv2PBUGV0u9p1457qURmB7gfc8vyB:WcAbpjd2B0ewVJjVX9v45ugI186jd

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9778

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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