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adobe_reader.exe

PDF

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 adobe_reader.exe by OutBrowse has been detected as adware by 13 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs.
Publisher:
ADLOGICA  (signed by OutBrowse)

Product:
PDF

Version:
1.0

MD5:
13297348d3d7938c3918fd323c8a876f

SHA-1:
eb61f2149f34f0824021f0969709804b3907df02

SHA-256:
7d75e38835908c9a82caa61eb1dfa458284ff2a6303ca482a2c883b5f0468ae6

Scanner detections:
13 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

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 4:50:31 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
MalSign.OutBrowse
2015.0.3317

Dr.Web
Adware.Downware.1664
9.0.1.0291

ESET NOD32
Win32/OutBrowse
8.9449

K7 AntiVirus
Unwanted-Program
13.176.11226

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
14.0.0.3081

Malwarebytes
Trojan.Outbrowse.MBM
v2014.10.18.05

McAfee
Artemis!13297348D3D7
5600.6973

NANO AntiVirus
Trojan.Win32..cthmwf
0.28.0.57630

Reason Heuristics
PUP.OutBrowse.M
14.10.18.17

Sophos
OutBrowse
4.97

Trend Micro House Call
TROJ_GEN.F47V1211
7.2.291

Vba32 AntiVirus
Downloader.OutBrowse
3.12.24.3

VIPRE Antivirus
OutBrowse
26670

File size:
937.6 KB (960,088 bytes)

Copyright:
© PDF

Trademarks:
PDF

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OutBrowse

Authority:
VeriSign, Inc.

Valid from:
10/23/2013 7:00:00 PM

Valid to:
10/24/2014 6:59:59 PM

Subject:
CN=OutBrowse, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=OutBrowse, L=Ramat Gan, S=Ramat Gan, C=IL

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
56A6FE571611B68C9224798AD62913CA

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:4Jmxwao2GGLN/w4TtgKiKD1Y5nYhZlaEOmUdk+s7mh3G7q:DwaoyLNosmKiKpY5g7JOm0k+s7mh3G7q

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:
7.9263

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file adobe_reader.exe has been seen being distributed by the following 7 URLs.

http://downloader2.downloadinfo.co/download.php?id=8f022f30d27c45cef9fbfd61432fee2f1c84063f&z=8&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMzEiLCJ1X2lkIjoiZGlfNTJhYzAyOGEyZWZhMTUuMjc3MDM5OTYiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg3MDA0NTU0LCJrdyI6InBkZiBkb3dubG9hZGluZyIsImN1IjoicGRmIGRvd25sb2FkaW5nIiwiY2EiOm51bGx9

http://downloader2.downloadinfo.co/download.php?id=8f022f30d27c45cef9fbfd61432fee2f1c84063f&z=8&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW44cHQxIiwiYiI6ImNoMzEiLCJ1X2lkIjoiZGlfNTJhY2U0MTUwNDQ2ZTcuODUwMjY2NDkiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg3MDYyMjkzLCJrdyI6ImFkb2JlcmVhZGVyIiwiY3UiOiJhZG9iZXJlYWRlciIsImNhIjpudWxsfQ==

http://cdn.app2desktop.com/misc/.../adobe_reader.exe

http://default-page.com/downloader/.../?d1=9&d2=1&d3=1&d4=15&d5=00000000

http://default-page.com/.../pdf?d1=9&d2=1&d3=1&d4=15&d5=00000000

http://downloader2.downloadinfo.co/download.php?id=8f022f30d27c45cef9fbfd61432fee2f1c84063f&z=8&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW44cHQxIiwiYiI6ImNoMzEiLCJ1X2lkIjoiZGlfNTJhY2RjM2E1YjQxZDAuMzQ1OTkzNTgiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg3MDYwMjgyLCJrdyI6ImZpeCBhZG9iZSByZWFkZXIiLCJjdSI6ImZpeCBhZG9iZSByZWFkZXIiLCJjYSI6bnVsbH0=

http://downloader2.downloadinfo.co/download.php?id=8f022f30d27c45cef9fbfd61432fee2f1c84063f&z=8&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMzEiLCJ1X2lkIjoiZGlfNTJhY2JjZDg4MTk2ZTYuMzMxMjMyMjYiLCJwYV9pZCI6IjgiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg3MDUyMjQ4LCJrdyI6ImFkb2JlcmVhZGVyIiwiY3UiOiJhZG9iZXJlYWRlciIsImNhIjpudWxsfQ==

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