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firefoxsetup.exe

Internet

Installer

The application firefoxsetup.exe, “Internet Setup ” has been detected as a potentially unwanted program 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 Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from www.tourstocksoftware.com.
Publisher:
Installer

Product:
Internet

Description:
Internet Setup

Version:
3.6.4.2

MD5:
488ce7886ba6de0efd952d7348bcc004

SHA-1:
50b87a5d424def63ebb2c07a31cd6208908f5ba0

SHA-256:
a8738882df24a8a8cf77b9cc0fe650930a2054638b3d9d0204ca95d37a7f6e67

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/6/2024 12:28:16 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.1.7.17

File size:
877.3 KB (898,372 bytes)

Product version:
4.2

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\firefoxsetup.exe

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:ne9gQDn9qA/ELFjXCrf9HAtjgti3cmV+pQ+JbNJi:nw1Dn91EJ7CrOdeGcQc3i

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:
7.9374

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

Code size:
37 KB (37,888 bytes)

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

http://www.tourstocksoftware.com/c?x=OFArjMikJcsCPv/hsY1qwaeb7ZpM4gA/w7QFnDK8Os8=&c=PW83kYSn0RjrQ6pbQRD6ggZLHRezZ5A6/EoG1wikU4uGt25ypo0XEkI5KDoh3OJenAvS2ukpl34yVIvbjfCd1gvnIdSl2nDbzPKcw3dwNW LbtDYHbKfYjhhQnXghS89&downloadAs=FirefoxSetup.exe&fallback_url=http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/27.0/win32/.../Firefox Setup 27.0.exe

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