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skype.exe

PLUGIN UPDATE S.L

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 S.L 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.ultisoftwhiteg.com.
Publisher:
PLUGIN UPDATE S.L  (signed and verified)

MD5:
a3ef8cfabe00c116ab95a2284170c489

SHA-1:
12fe9be0961a6c8434fc5712a9ad6a95d749adca

SHA-256:
735b82edbea512209265f3f1e7ccd489643e1d01d54be02102a25372474f04f4

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 '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:
5/14/2024 10:58:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse.PLUGINUPDATESL.Bundler (M)
16.2.7.6

File size:
669 KB (685,056 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler

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

Digital Signature
Signed by:
PLUGIN UPDATE S.L

Authority:
Starfield Technologies, Inc.

Valid from:
7/22/2014 9:14:26 PM

Valid to:
7/22/2015 9:14:26 PM

Subject:
CN=PLUGIN UPDATE S.L, O=PLUGIN UPDATE S.L, L=GUIA DE ISORA, C=ES

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:
079EA58C1A6ED1

File PE Metadata
Compilation timestamp:
4/10/2015 6:34:03 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:yDdnl3/7POmBrd1XyE+zlM78D6Jcp1dWBByZGnuhtVuxmCXi8dNbZm:idnlPtr/jalw8Dsn2UnsVimSiwNc

Entry address:
0x1E1070

Entry point:
60, BE, 00, 50, 54, 00, 8D, BE, 00, C0, EB, 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...
 
[+]

Entropy:
7.8403

Packer / compiler:
UPX 2.90LZMA

Code size:
628 KB (643,072 bytes)

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

http://ttb.ultisoftwhiteg.com/download/request/.../nixo9fKe?PubID=5426_4082_3197&ClickID=11345694218

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