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skype setup.exe

Tuhasatom

INSTALL MANAGER LIMITED

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application skype setup.exe, “Tuhasatom Setup ” by INSTALL MANAGER LIMITED 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 installCore installer. The file has been seen being downloaded from www.siteadvisor.com.
Publisher:
INSTALL MANAGER LIMITED  (signed and verified)

Product:
Tuhasatom

Description:
Tuhasatom Setup

Version:
4.0.4.3

MD5:
a7cbc7d15876ebc0416c04c51d37ce67

SHA-1:
b9d63ccea50e3ba5b5d0a14f8b6bae56aec27c6d

SHA-256:
62f0a190e68fd84156258b448d56320d669a78a8fbce431f3f40e05b1880ce19

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:
12/26/2024 12:04:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.INSTALLM.Installer (M)
16.6.19.23

File size:
947.4 KB (970,112 bytes)

Product version:
2.1

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\skype setup.exe

Digital Signature
Signed by:
INSTALL MANAGER LIMITED

Authority:
COMODO CA Limited

Valid from:
3/17/2016 4:30:00 AM

Valid to:
3/18/2017 4:29:59 AM

Subject:
CN=INSTALL MANAGER LIMITED, O=INSTALL MANAGER LIMITED, STREET="Level 27, Pwc Tower, 188 Quay Street", L=Auckland, S=Auckland, PostalCode=1010, C=NZ

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

Serial number:
00FBDBC377785EFBB2B9815C82ABDC98E1

File PE Metadata
Compilation timestamp:
6/20/1992 2:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Ghix2XHr8lPwthKFdP1CfjXuAHaRFmuvzEG0Up7cDNoxQ2HdjIg:GwM8lPjFZ1OjXuSUmSOUp7iNox3RIg

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9328

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

Code size:
39.5 KB (40,448 bytes)

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

http://www.siteadvisor.com/restricted.html?domain=http://www.conceptsnowshare.com/c?x=8T6ke4AfKNS2YfDkS0BVGIPhLW lMv2WrlkxIt027ac=&c=4eLyICOMUPIj5jJToCHmKS9ABiWzljGRsibccwUtOfyuxD4fpEuWoa3VwhTJdVp9nq/ xxr/BZnEWNokUxrYKM6fhr5xji5kcsnujx21X4xdoKLT2DAjcSYhfN63xbJ2&downloadAs=Skype Setup.exe&fallback_url=https://s3.amazonaws.com/downloadape/.../SkypeSetup.exe&originalURL=-1008320667&pip=false&premium=false&client_uid=418810087&client_ver=4.0.2.189&client_type=IEPlugin&suite=true&aff_id=885&locale=en_us&ui=1&os_ver=6.3.0.0

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