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skype.exe.exe

Start Playing

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 Playing 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 get.downloaddesktop4.com.
Publisher:
Start Playing  (signed and verified)

MD5:
b4cb391829eb236294f467aa70edd049

SHA-1:
01c6df285987a44a90d1215c21cd901d4887fabc

SHA-256:
280e4c204837615cf40e3d12cbc50fcf225c20004123023109ed05d14204c4a3

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 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:
5/21/2024 3:45:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
17.2.16.12

File size:
582.8 KB (596,744 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 Playing

Authority:
Starfield Technologies, Inc.

Valid from:
12/8/2014 9:12:48 AM

Valid to:
12/8/2015 9:12:48 AM

Subject:
CN=Start Playing, O=Start Playing, L=DUBLIN, C=IE

Issuer:
CN=Starfield Secure Certificate Authority - G2, OU=http://certs.starfieldtech.com/repository/, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
4E956215A6BB61

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

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:
7.9734

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://get.downloaddesktop4.com/1419206209/DownloadManager/getalgk5?p=1955&d=3809&l=2704&n=1&productname=Skype&d1=140316&d2=139&exeurl=http://download.skype.com/af7c18b0b020d35d1e98a7192258d48b/partner/59/SkypeSetupFull.exe&filename=Skype.exe&tyurl=http://www.postdownload.net/.../redirect.php?id=en3145gs43k4n2q3os956o4g9vq33lfq65bihcda9h8d2ik35m11-9560ef2312597a8ff020be190ad89b6d&d=downloadb.net&p=Skype&pid=3&bex=1&countryid=265

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