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skype.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 skype.exe by OUTBROWSE has been detected as adware by 15 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:
OUTBROWSE  (signed and verified)

MD5:
f40a8fd58fe90744f2fe7c7cca6c4e96

SHA-1:
391dc6ed3d020c094040548666b8aced707f8365

SHA-256:
b0abbe2066f79946fba05b91ae0e77c5eea8fafc55bc9db36826a7a5299a0139

Scanner detections:
15 / 68

Status:
Adware

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

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:
5/4/2024 12:10:01 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AVG
Generic
2015.0.3342

Dr.Web
Adware.Downware.2081
9.0.1.0266

ESET NOD32
Win32/OutBrowse.AT
8.10460

G Data
Win32.Application.Outbrowse
14.9.24

herdProtect (fuzzy)
variant of installation.exe (Adware)
2014.12.5.14

IKARUS anti.virus
PUA.OutBrowse
t3scan.1.7.8.0

K7 AntiVirus
Unwanted-Program
13.183.13476

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
14.0.0.3207

Malwarebytes
PUP.Optional.OutBrowse
v2014.09.23.01

McAfee
Adware-OutBrowse.a
5600.6998

Reason Heuristics
PUP.OUTBROWSE.F
14.9.23.11

Sophos
OutBrowse Revenyou
4.98

VIPRE Antivirus
Threat.4784459
32938

File size:
556.7 KB (570,080 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
OUTBROWSE

Authority:
COMODO CA Limited

Valid from:
4/6/2014 8:00:00 PM

Valid to:
4/7/2015 7:59:59 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 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:7Id9HqJxg+WJY8yB6iVKy6wMpslKgAXGF9TMNDj+m:7eyW+WJY+4KHwMpsBh9IN3

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:
7.9763

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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