skype.exe

YUMON SYSTEM 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 YUMON SYSTEM 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. It is also typically executed from the user's temporary directory.
Publisher:
YUMON SYSTEM SL  (signed and verified)

MD5:
429252a342d5cf5226b5c10ad1681478

SHA-1:
95f30c9f8485051fbe0988d9367cbd2190a591de

SHA-256:
3609e72a20382f15c13f78faf5e5d501945b76e1537f728b4332cf871507694b

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:
11/23/2024 1:18:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse (M)
17.3.16.3

File size:
561 KB (574,440 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\skype.exe

Digital Signature
Signed by:

Authority:
Symantec Corporation

Valid from:
4/20/2015 5:00:00 PM

Valid to:
4/20/2016 4:59:59 PM

Subject:
CN=YUMON SYSTEM SL, O=YUMON SYSTEM SL, L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
492E0EAD95A515C379CA6D4D2DDD0C35

File PE Metadata
Compilation timestamp:
4/7/2016 1:23:14 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

Entry address:
0x1000

Entry point:
B8, E0, CF, 5A, 00, 50, 64, FF, 35, 00, 00, 00, 00, 64, 89, 25, 00, 00, 00, 00, 33, C0, 89, 08, 50, 45, 43, 6F, 6D, 70, 61, 63, 74, 32, 00, 10, 3B, F6, 14, D7, E7, AA, 56, E0, 7E, 15, F3, 0D, 6B, 6F, 01, C9, EA, 77, FE, F6, EF, 53, 58, 96, 66, D2, BE, 39, 90, 02, 64, 63, E4, 57, 88, 80, 20, A5, 61, 18, A4, 39, C2, 90, 55, B5, FB, D5, 61, D9, 47, 5C, 05, 66, 64, D5, 6F, 56, EA, 40, 2D, 79, 1C, BF, 07, EE, 38, F2, BF, BC, 5B, 9B, A4, 70, 47, D0, 03, 07, E1, 68, 80, F7, C6, D6, 4C, C2, 97, D4, C8, 51, 56, EC...
 
[+]

Entropy:
7.9537

Packer / compiler:
PECompact v2

Code size:
1.1 MB (1,106,944 bytes)

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