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:
f3862f24979241e6f44cdc5a1583902a

SHA-1:
f46b53d4d9d78f86a6b39eab47b6da6adc4d69d7

SHA-256:
40438db20480bbef27b11464e43d86d772359418e41ceeb8245e2208e8152de5

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:
12/24/2024 3:45:03 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse (M)
17.3.16.3

File size:
586 KB (600,040 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:
3/22/2016 10:09:42 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

Entry address:
0x1A23CF

Entry point:
60, E8, 00, 00, 00, 00, 58, 05, 5A, 0B, 00, 00, 8B, 30, 03, F0, 2B, C0, 8B, FE, 66, AD, C1, E0, 0C, 8B, C8, 50, AD, 2B, C8, 03, F1, 8B, C8, 57, 51, 49, 8A, 44, 39, 06, 88, 04, 31, 75, F6, 2B, C0, AC, 8B, C8, 80, E1, F0, 24, 0F, C1, E1, 0C, 8A, E8, AC, 0B, C8, 51, 02, CD, BD, 00, FD, FF, FF, D3, E5, 59, 58, 8B, DC, 8D, A4, 6C, 90, F1, FF, FF, 51, 2B, C9, 51, 51, 8B, CC, 51, 66, 8B, 17, C1, E2, 0C, 52, 57, 83, C1, 04, 51, 50, 83, C1, 04, 56, 51, E8, 5E, 00, 00, 00, 8B, E3, 5E, 5A, 2B, C0, 89, 04, 32, B4, 10...
 
[+]

Entropy:
7.8788

Packer / compiler:
ASPack v1.08.04

Code size:
1.1 MB (1,104,384 bytes)

Remove skype.exe - Powered by Reason Core Security