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download.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 download.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:
67f2a76523c1f0e3920b55dbb2c6b5ab

SHA-1:
247d4169b637a418a4d26597d2b39237508d395d

SHA-256:
baeda1d3aabc4b5f89c42adc57768f5b69d22f37313ad1f6a3eb9246293bed51

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:
4/19/2024 10:17:29 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.17.8

File size:
620.5 KB (635,416 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\downloads\download.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:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:IIBrgbrl42HZhMhO/+KkYTUrmxoSRLwUnW4giXhWZ1dfc8vy4h:I+UfK2HPF/+KPwmxLJwUn7lRWZ1i86

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

https://secure-ams.adnxs.com/click?AAAAAAAAAAAAAAAAAAAAAAAAAAAAAPA_AAAAAAAAAAAAAAAAAAAAANiIjDUbVzcYAprX_NOSOyt7ePRTAAAAACnuMgByBwAA_AcAAAIAAAAVOAIBF1EGAAAAAQBVU0QAVVNEAKAAWAIFcgAA9L8AAgUAAQIAAJQAphMoqAAAAAA./cnd=!7QWeOQjR1YsCEJXwiAgYl6IZIAI./referrer=https://www.youtube.com/clickenc=http://clickeu.tractionize.com/st?cipid=377000&ttype=1&crid=2347538&dast=Ym89MSZzbGlkPTAmc3ViaWQ9MTAwOCZzbz0xJmNpY21wPTk1NDc4JnB1YmlkPTk3MDAmY2lwaWQ9Mzc3MDAwJmNpc2lkPTcwQzNFMjIzQjgzNTM3MTkxNDc4MTkwOTg0JmNpcmlkPTcwQzNFMjIzQjgzNTM3MjA5ODcxMDI2MjUmY2l1aWQ9LTI5ODI0MjU0Mjc2MjQ2NTQ5NTYmY3JpZD0yMzQ3NTM4JmV4Y2lkPTIyJm1tdD0tMSZjbnRyeT0xMDQ=&cmcv=${CMCV}&tgtf=http://get.file2desktop.com/.../Get?p=8723&d=12098&l=11517&n=1&productname=GoogleChrome&d1=103&d2=3337769&clickid=UAT_ams1CIK03ua_2uSdKxACGNiRsqyz49WbGCINOTUuMjMzLjE0NS44OSgBMPvw0Z8F

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