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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 secure-ams.adnxs.com.
Publisher:
OUTBROWSE  (signed and verified)

MD5:
85374ec5accfde232422aa2bb940c2b8

SHA-1:
5e6597fb49725bcfd7b060d73b1d0daa2c8283bd

SHA-256:
c1831fce565de7e13166cd1ebc3cad6ea0e169b5d9ccf5a4bf589895ffd2bfe7

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:
11/5/2024 9:49:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.Bundler (M)
16.2.27.19

File size:
970.5 KB (993,752 bytes)

File type:
Executable application (Win32 EXE)

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

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

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/7/2014 2:00:00 AM

Valid to:
4/8/2015 1:59:59 AM

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:
12/6/2009 12:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:Jy/5K0vqxgYznk68rlyJQy0jjSQfEKLKrEewtkPbgwVDTZmxAT7:q5rvyk68Eay0/SQff2rEewtkPbVVvZi0

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:
7.9270

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.

https://secure-ams.adnxs.com/click?beaQ1ELJlD-Tp-7Cvc-SP7ByaJHtfOs_k6fuwr3Pkj9t5pDUQsmUP5umOtqLHQRe83ils3zqRCoXHUpTAAAAAIvcJQCTBwAAzgIAAAIAAAAjh4wAvfAFAAAAAQBVU0QAVVNEANgCWgAnUQAAcboAAgUCAQIAAI4AWCwj1QAAAAA./cnd=!wAX_MwilhaYBEKOOsgQYveEXIAI./referrer=https://media.jumpstart.com/DOUnity/yahoo-ads.html/clickenc=http://cnct.tlvmedia.com/ckl.php?s=1&c=ams1CPPxlZ3Lz7qiKhACGJvN6tG9sYeCXiINNDEuMzYuMTM1LjIzNSgBMJe6qJoF&mx=anx&t=adv191352&d=145258&r=http://mbttd.com/engine/.../c4c3VwcGx5X3BsYXRmb3JtX2FjY291bnRfaWQ9NDI1JnN1cHBseV9wbGF0Zm9ybV9pZD00OTEmbGluZV9pdGVtX2lkPTk4MDU?ext_click_id=$CLICKID$

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