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skype.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 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.down1227group.info.
Publisher:
Start Playing  (signed and verified)

MD5:
5405f80e7c091d74c6ddcd22df7fec96

SHA-1:
c3f490569cdb013b00c0e109978a164641348a9b

SHA-256:
1bb5b9d3f490b9a0243394db59e1f6bf4f4f6f538550404b0c4ffbaf1bcf2122

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:
12/25/2024 6:32:23 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.StartPlaying.Bundler (M)
16.2.1.9

File size:
615.1 KB (629,880 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:
Start Playing

Authority:
GlobalSign nv-sa

Valid from:
1/14/2015 2:43:40 AM

Valid to:
10/22/2015 8:57:40 AM

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

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112148ECE298BAB6D0ECDE90587F415A4159

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):
12288:+A+waWTPIzv0R7GzGoONIz0ugXCjI1t2v6ByLGKpDVz0RDtr:+APTPYv0tGzGoJ0ugwI1tpK1hgn

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:
7.9478

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 URL.

http://get.down1227group.info/1426179634/1426179634/get1?p=1955&d=1782&l=1701&n=1&productname=Skype&d1=178472&d2=893&exeurl=http://download.skype.com/msi/SkypeSetup_6.18.0.106.msi&filename=Skype&dynamicname=Skype&tyurl=http://www.postdownload.net/.../redirect.php?id=1en6j0mbt812uorke4tb515tfu5kvm1mut0vi2goi1pvriofd591-14d33f07a9a12893d8301cd4cd5899bc&d=downloadease.net&p=Skype&pid=3&countryid=265&icon=1

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