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skype.exe

Salyutem Plyus LLC

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 Salyutem Plyus has been detected as adware by 15 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from get.down1212tech.info and multiple other hosts.
Publisher:
Salyutem Plyus LLC  (signed and verified)

MD5:
0a0433bf6f9aec100d3b6f30b51ad52e

SHA-1:
bbeaf1150bf60a2024fce0085f85cf7f8df79a26

SHA-256:
8fa977735cd419f5222256c6f2c8b128508abb299b8fdd5916808b9431e447de

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:
5/19/2024 10:42:42 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.01.08

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.200.6

AVG
Potentially harmful program Downloader.CZS
2014.0.4253

Dr.Web
Trojan.OutBrowse.55
9.0.1.05190

ESET NOD32
Win32/OutBrowse.BQ potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.1814571

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.543

Malwarebytes
PUP.Optional.OutBrowse
v2015.01.07.11

McAfee
Adware-OutBrowse.d
5600.6892

Reason Heuristics
PUP.SalyutemPlyus.F
15.1.7.22

Sophos
PUA 'OutBrowse Revenyou'
5.09

Trend Micro House Call
Suspici.572A0B99
7.2.7

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4657539
36340

File size:
572.9 KB (586,688 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:
Salyutem Plyus LLC

Authority:
thawte, Inc.

Valid from:
12/14/2014 4:00:00 PM

Valid to:
12/15/2015 3:59:59 PM

Subject:
CN=Salyutem Plyus LLC, O=Salyutem Plyus LLC, L=Kharkiv, S=Arkansas, C=UA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
6B6BB9E1A48F64F47503D8DCF6A5D0D3

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:FiUgMeOw1NaggUxlvnaQF9lXGT0zFNQSza:FiUn+8gX71/9rQSe

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:
7.9742

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file skype.exe has been seen being distributed by the following 3 URLs.

http://get.down1212tech.info//1419976822/get31?p=414&d=24027&l=9338&n=1&productname=free-downloadss.com&d1=1&d2=1&d3=1&d4=1&d5=150302&exeurl=http://download.skype.com/.../SkypeSetup.exe&dynamicname=Skype&filename=Skype

http://get.file20desktop.com/DownloadManager/Get2?p=414&d=24027&l=9338&n=1&productname=free-downloadss.com&d1=1&d2=1&d3=1&d4=1&d5=150302&exeurl=http://download.skype.com/.../SkypeSetup.exe&dynamicname=Skype&filename=Skype

http://www.ifreeupdates.com/.../download.php?id=54a32017659ad&i=150302

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