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skype.exe

App Secure LLC

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 App Secure 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:
App Secure LLC  (signed and verified)

MD5:
953c93455bd39ba9c73479b75c988617

SHA-1:
6b2f149d3387cff36fd735891f334431955549cc

SHA-256:
a3b35815b26d6964a6baa56ea23eab799ce8f37742fb2e79e4ad4c03672d6839

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:
5/14/2024 7:49:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse.AppSecur.Bundler (M)
16.3.17.8

File size:
542 KB (555,056 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler

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

Digital Signature
Signed by:
App Secure LLC

Authority:
COMODO CA Limited

Valid from:
2/6/2015 7:00:00 AM

Valid to:
2/7/2016 6:59:59 AM

Subject:
CN=App Secure LLC, O=App Secure LLC, STREET="501 Silverside Road, Suite 105", L=Wilmington, S=Delaware, PostalCode=19809, C=US

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00868B073DB5F27781658C4A94E3A93D23

File PE Metadata
Compilation timestamp:
4/1/2015 3:34:28 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:5LuIc4IslQfZ+Py0w42yytoRFaO+TBPIWUpk75s:5LuKIuQfZ+PyZ4HTPaO+BIWUH

Entry address:
0x1000

Entry point:
B8, C0, AD, 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, DA, FA, 69, C4, 2B, 0C, FD, 10, 21, B8, BE, BF, 26, D2, 10, 48, 75, 90, 9E, D5, E7, CE, 58, 7C, C1, 79, 6D, E9, 07, 0C, 44, EF, B3, 0A, C9, 36, 3B, 50, E9, B6, 06, 16, BF, 1C, 5B, 3A, 52, 49, D5, A6, F8, 41, D5, 4D, 5D, B2, 8E, CC, ED, 84, FB, F4, 22, F5, 0C, F2, B2, 8A, F9, 74, 4D, 82, CE, A5, 90, 4B, 23, AC, 29, 37, 56, 45, C3, BA, 0F, C2, 58, EB, 40, 29, F1, 71, E9...
 
[+]

Entropy:
7.9322

Packer / compiler:
PECompact v2

Code size:
1010.5 KB (1,034,752 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=11189124360

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