skype.exe

PLUGIN UPDATE SL

This is the Softpulse installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application skype.exe by PLUGIN UPDATE SL 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 Softpulse SoftwareBundler installer. The file has been seen being downloaded from ttb.defiletake.com.
Publisher:
PLUGIN UPDATE SL  (signed and verified)

MD5:
87ac07291a14f5ef2620597d290c2595

SHA-1:
7f3f501eb10ef25334f8a72f2995e875b938b4ec

SHA-256:
93d343fa2464f6fcc3fc02e327f77b0c16f920261a24d90bbcf05f08fd5c1a75

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:
12/26/2024 8:19:14 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse.PLUGINUP.Bundler (M)
16.6.21.0

File size:
670 KB (686,104 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler

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

Digital Signature
Authority:
thawte, Inc.

Valid from:
4/20/2015 9:00:00 PM

Valid to:
7/20/2016 8:59:59 PM

Subject:
CN=PLUGIN UPDATE SL, O=PLUGIN UPDATE SL, L=GUIA DE ISORA, S=Santa Cruz de Tenerife, C=ES

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

Serial number:
6F8446D02E4D8F276D50C2DF19B10E72

File PE Metadata
Compilation timestamp:
11/12/2015 8:14:58 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:QE4MPYxjsqM776himhxOdTu5MuBGqqTugX1pIgyNdnZnN9rx920846aZRH:LbkwqAaxOBub8p1kZzrx9RZRH

Entry address:
0x1A3000

Entry point:
60, BE, 00, 60, 50, 00, 8D, BE, 00, B0, EF, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Packer / compiler:
UPX 2.90LZMA

Code size:
632 KB (647,168 bytes)

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

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