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setup.exe

OUTBROWSE

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application setup.exe by OUTBROWSE 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 file has been seen being downloaded from ads.adk2.com.
Publisher:
OUTBROWSE  (signed and verified)

MD5:
d4175269c8a870abba6b392fbf1cfd75

SHA-1:
c240c72a9f28fc9c440f12be15ce77e31bc45f29

SHA-256:
f0784185cbe2808ee038a6137bac8e7aecbacb9364e3d35342ee726425ce034f

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 '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:
1/24/2025 5:16:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.Bundler (M)
16.7.3.20

File size:
920.5 KB (942,560 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/6/2014 5:00:00 PM

Valid to:
4/7/2015 4:59:59 PM

Subject:
CN=OUTBROWSE, O=OUTBROWSE, STREET=Bialik Number: 143, L=Ramat Gan, S=Israel, PostalCode=5252337, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00A5F03C3A375C11FD6C1C160EE8BFF923

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:zAHXdyZNrNF/4lgGhpwJxmntY1VKc9IsTELQ:cHXc3BqXp6fScKsIL

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, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9174

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://ads.adk2.com/event/click/0/fkfm05p_BcHeWPZEyMN-ZDwq-K-xIUzlMUqK8m0v17w4AKCuHi0lLm4nsF0jZrYftUYU_3aY6YLEBIIZCBeBx1StM4ND-kLmJfOytnndWtA3WjXFw5l8UnXBUabDAxDBqMXARL-LOg6Pf0JTMdXgEddXstWk3vr-_y_R0fMf2UIYJ4G7tAkDwafvgZbjB8Ix_INvcHaR83MUzEoR7U_nR01WvK5yGPeaoBhGhBpmgXYKOjK7RV53IMBpRCMTyV8WwDSI99v2NwquC1zFsZFFT4V46Y0DRBtdZ_04xzJsF5p6fpFz5syVhGdoKKlrIZChLW07U88lxGwvnNxz8LaEuP08RcNNvocy8v4W9uRqjhHYfx_JewMS7Q/.../

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