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skypesetup-10123328-pmfsb.exe

Trusted Software ApS

The application skypesetup-10123328-pmfsb.exe by Trusted Software ApS 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 BundleInstaller installer. The file has been seen being downloaded from file.org.
Publisher:
Trusted Software ApS  (signed and verified)

MD5:
0cf701aeced8eb15eacab0d10d8c1703

SHA-1:
ec170c1f2bd1d20ee3fed9cb4816f58129d4d0ec

SHA-256:
93acdce31d1debcdcda66e2d85ddb8b3e4971366a45756618cd1c748ba1db3d8

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:
4/24/2024 9:14:27 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TrustedSoftware.Bundler (M)
16.1.16.10

File size:
619.7 KB (634,560 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
BundleInstaller (using Inno Setup)

Common path:
C:\users\{user}\downloads\skypesetup-10123328-pmfsb.exe

Digital Signature
Signed by:
Trusted Software ApS

Authority:
The USERTRUST Network

Valid from:
11/11/2010 6:00:00 PM

Valid to:
11/11/2013 5:59:59 PM

Subject:
CN=Trusted Software ApS, O=Trusted Software ApS, STREET=Blomsterhaven 42, L=Holbaek, S=n/a, PostalCode=4300, C=DK

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
1DA7007608C324C640CE3FBCC9418735

File PE Metadata
Compilation timestamp:
6/19/1992 5:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:6UyMJfsGruoChgAA/0Ssj8/4JOxbhcmXXKpvVztwhl3gFp00kwC:6UyMJfsUu9gAK864k19nKfKhlQFp00

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.8437

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

The file skypesetup-10123328-pmfsb.exe has been seen being distributed by the following URL.

http://file.org/.../dl.php?fid=10123328&p=pmfsb

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