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installation.exe

OUTbrowse Ltd

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installation.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-lax.adnxs.com.
Publisher:
OUTbrowse Ltd  (signed and verified)

MD5:
ae52debf23d3d7ec3417ddf61cad8ca5

SHA-1:
239ddae48332bac57436e6d8c763843a038233e3

SHA-256:
eeeae330fb43620912c408bcceb1a8d10119aad2b10937d77877776a3aa40c86

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:
5/8/2024 2:17:04 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.Bundler (M)
15.12.1.11

File size:
564.8 KB (578,304 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OUTbrowse Ltd

Authority:
GlobalSign nv-sa

Valid from:
8/18/2014 6:30:42 AM

Valid to:
8/19/2015 6:30:42 AM

Subject:
CN=OUTbrowse Ltd, OU=Tech, O=OUTbrowse Ltd, L=Ramat Gan, S=Israel, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
11218698DE6360060E5B84AA941E48BB9A93

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):
12288:LOj0vUjCMjnGaft+rCYRu42+bkQ/IHJIbIUEq+J4kl/nDIGNPvGhfVZMYEr:LOQAXDftmCYT7YQ/Ie6v4useW5H5E

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:
7.9765

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

https://secure-lax.adnxs.com/click?cu4tcchjhj-EsZKQuHiCPwAAAAAAAPA_hLGSkLh4gj9y7i1xyGOGP5Pv38tTMygLHJEOsFPF_ytw6gVUAAAAAG5oNAB2AgAArwcAAAIAAACSLNYALTwHAAAAAQBVU0QAVVNEANgCWgBlDAAAcq4AAgUAAQIAAJQAWyTSvgAAAAA./cnd=!lQavPAiirucBEJLZ2AYYrfgcIAI./referrer=https://sjobs.brassring.com/tgwebhost/selectresume.aspx/clickenc=http://get.file2desktop.com/.../Get?p=8723&d=12094&l=11513&n=1&productname=BlueStacks&d1=101&d2=3434606&clickid=SBZ_lax1CJyiuoC7qvH_KxACGJPf_9686oyUCyILOTkuNDguNDUuNjQoATDw1JegBQ..

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