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free-studio.exe

Program Setup

Quality Criteria (Alpha Criteria Ltd.)

The application free-studio.exe by Quality Criteria (Alpha Criteria) 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 setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.todaybytetower.com.
Publisher:
SecuredDownload  (signed by Quality Criteria (Alpha Criteria Ltd.))

Product:
Program Setup

Version:
1.0.5.a0.1_59214

MD5:
2efe55843645e1bf35c177474434738e

SHA-1:
9dba3c5d36e6c99e15d0ce142a035ea3a344698c

SHA-256:
c1514d28e1d3f8a687be5d6d64bb664441e3bb88a5f5352a093eb6e875d29f8c

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
12/27/2024 12:48:22 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.AC (M)
16.8.7.12

File size:
915.9 KB (937,880 bytes)

Product version:
1.0.5.a0.1_59214

Copyright:
SecuredDownload

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\free-studio.exe

Digital Signature
Signed by:
Quality Criteria (Alpha Criteria Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
1/6/2016 7:41:47 AM

Valid to:
8/4/2016 10:23:54 AM

Subject:
CN=Quality Criteria (Alpha Criteria Ltd.), O=Quality Criteria (Alpha Criteria Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121DC9E5F7E1CC5DF0CA4ED082CF7EB9D86

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):
24576:evKv1P8DGFiu57x5SEFzeFigd58SwkYIbtu3:uMeIfqCw46s

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.9324

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

Code size:
37 KB (37,888 bytes)

The file free-studio.exe has been seen being distributed by the following URL.

http://www.todaybytetower.com/c?x=7SX SsX2OpvCZjj6ISV60/nC80PVRqhFwMEmZYSKViU=&c=fJH0VmnYp1nqsvtepYqPMaPtb7oaE xlj3KOjW5nmBL4RUd2h uxvEqDoxYutzZ8pRYgKj6FkH7PyQRnzuBjVeSyYSnhlQde1/HBiwiCDgUPYLGNS6j/LHMiCyc7lWqwR3xvLhE6RRDfjaM9Jxh7g5cY00G4t7 6NlL3FvQqUo=&downloadAs=free-studio.exe&fallback_url=http://ddxserverneu.com/softwares/.../Frees6.1.10.812.exe

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