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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.vaultsappsshare.com.
Publisher:
INSTALL MANAGER LIMITED  (signed and verified)

Product:
Tuhasatom

Description:
Tuhasatom Setup

Version:
4.0.4.3

MD5:
7501735da0abbe0fc53758a94a8a18f2

SHA-1:
2c3e5fd0b980e1b1dd844beb63b99a9a37d8b6db

SHA-256:
5f76932ff3d007146017405a4eb862c2cfa8de20f409941ca14d67c1ebb7bb56

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:
11/27/2024 4:43:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.INSTALLM.Installer (M)
16.7.13.22

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}\downloads\skype setup.exe

Digital Signature
Signed by:
INSTALL MANAGER LIMITED

Authority:
COMODO CA Limited

Valid from:
3/16/2016 5:00:00 PM

Valid to:
3/17/2017 4:59:59 PM

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:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:Zhix2XHr8lPwthKFdP1CfjXuAHaRFmuvzEG0Up7cDNoxQ2HdjIg:ZwM8lPjFZ1OjXuSUmSOUp7iNox3RIg

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.vaultsappsshare.com/c?x=rruvsAuSE93V0Jv4FEoyoncEGZpPBvs2pVg4svca2I0=&c=CGU1 72ccVcE483miIK8zI6RA9RoWbz8wrbaHxZTQBWJzIZCftiNQp8I3FG2uhrJUwHAAmzsxkCXLHLFT/wgtMQI1rjikbIRjGOJyWuoX4W9U12JHy0jUwEv4/ZMG8 w/WJmrHxzTkg5i8ADmGJUiAfgz1/1pusbGO9F0z91jdQ=&e=1&downloadAs=Skype Setup.exe&fallback_url=https://s3.amazonaws.com/downloadape/.../SkypeSetup.exe

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