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ivsweb.exe

IVSWeb

The application ivsweb.exe, “IVSWeb 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 setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Product:
IVSWeb

Description:
IVSWeb Setup

MD5:
29b2730cfa7eeb529aa2dd2a07594384

SHA-1:
4755efff8b2ab6ccaa23c624223dafc3be3d3a98

SHA-256:
47d96209d1c136a26a04908c233eb485153d451d8e004d33930bd18bf4f54700

Scanner detections:
1 / 68

Status:
Potentially unwanted

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

Analysis date:
1/12/2025 2:11:25 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.InstallCore.RE11 (M)
16.4.2.18

File size:
1.1 MB (1,204,327 bytes)

Product version:
2.0

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}\ivsweb.exe

File PE Metadata
Compilation timestamp:
6/20/1992 5:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:CQiMgA0eOLWhPHp0mq6KkXN9wLTCX0zmmKmdg/AuKuCMBTlP0QjcpMXVJoT:C9xeAWVH06KkuT9mzowAVzGpf8

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:
7.9859

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

Code size:
39.5 KB (40,448 bytes)

The file ivsweb.exe has been seen being distributed by the following 5 URLs.

http://82.78.236.31/IVSWeb.exe

http://192.168.0.109/IVSWeb.exe

http://dongnamviet.dyndns.tv:1215/IVSWeb.exe

http://192.168.1.88/IVSWeb.exe

http://192.168.1.234/IVSWeb.exe

Remove ivsweb.exe - Powered by Reason Core Security
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