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skype.exe.exe

StART NOW

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.exe by StART NOW has been detected as adware by 25 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 www.secured-install.com.
Publisher:
StART NOW  (signed and verified)

MD5:
8d4ecdf52f7ebb8992a6c27ec3bfa105

SHA-1:
5045b278f936794bae54f46da247673bc45dad0c

SHA-256:
c8176a41d80d74b698cdf7b19914268145e5c4a33933e12c9c67702ccd1fc7f5

Scanner detections:
25 / 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:
5/9/2024 7:23:03 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.Outbrowse.1
631

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.05.15

Avira AntiVirus
PUA/Outbrowse.Gen
8.3.1.6

avast!
OutBrowse-GX [PUP]
2014.9-150514

AVG
Potentially harmful program Downloader
2016.0.3109

Bitdefender
Application.Bundler.Outbrowse.BA
1.0.20.670

Comodo Security
UnclassifiedMalware
22115

Dr.Web
Trojan.OutBrowse.92
9.0.1.0134

Emsisoft Anti-Malware
Application.Bundler.Outbrowse.BA
8.15.05.14.03

ESET NOD32
Win32/OutBrowse.BU potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
5/14/2015

F-Secure
Gen:Variant.Application.Bundler
11.2015-14-05_5

G Data
Application.Bundler.Outbrowse.BA
15.5.25

herdProtect (fuzzy)
variant of audacity_setup.exe (Adware)
2015.8.11.12

K7 AntiVirus
Trojan
13.203.15912

McAfee
Program.Adware-OutBrowse.e
5600.6765

MicroWorld eScan
Application.Bundler.Outbrowse.BA
16.0.0.402

NANO AntiVirus
Trojan.Win32.OutBrowse.dnpjkd
0.30.24.1357

Quick Heal
Adware.NSIS.OutBrowse.A
5.15.14.00

Reason Heuristics
Threat.Outbrowse.Bundler
15.5.14.11

Sophos
Generic PUA JE
4.98

Trend Micro House Call
Suspici.BD67879B
7.2.134

Vba32 AntiVirus
AdWare.OutBrowse
3.12.26.4

VIPRE Antivirus
Threat.5085447
39676

File size:
599.2 KB (613,568 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.exe

Digital Signature
Signed by:
StART NOW

Authority:
thawte, Inc.

Valid from:
2/4/2015 7:00:00 PM

Valid to:
12/11/2015 6:59:59 PM

Subject:
CN=StART NOW, O=StART NOW, L=Dublin, S=Dublin, C=IE

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

Serial number:
49D186F5D4CD2EA57A61CBF406813874

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:xAsbQ2oZY/Edlor7WitgvWVfS371D2SCFuQ11:xAeBkDdu71aGf+J6uc

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:
7.9454

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://www.secured-install.com/.../1423523563/get15?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