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setup.exe

Web

Compiler Mill

The application setup.exe, “Web Setup ” by Compiler Mill 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 Inno Setup installer. The file has been seen being downloaded from assets.yammer.com.
Publisher:
Web Software Generic   (signed by Compiler Mill)

Product:
Web

Description:
Web Setup

Version:
5.4.2.8

MD5:
769d28576ddd7aa7c7dec8a05d42b256

SHA-1:
4b496e59e0b07b837087f177529bfca01d131b33

SHA-256:
68d901c1f0b278c87616a42ec0829714f86f2293b6c9a3165d53f2c3920293bc

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.

Analysis date:
11/5/2024 6:46:00 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.7.15.16

File size:
684.7 KB (701,128 bytes)

Product version:
5.0

Copyright:
Installer Generic

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\setup.exe

Digital Signature
Signed by:
Compiler Mill

Authority:
COMODO CA Limited

Valid from:
12/29/2014 2:00:00 AM

Valid to:
12/30/2015 1:59:59 AM

Subject:
CN=Compiler Mill, O=Compiler Mill, STREET="4600 Madison Ave, 10th FL", L=Kansas City, S=MO, PostalCode=64112, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00FDD0EEF32FA01EF0C093751264FB8242

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:qMJGNGPJCk650w43LLxpW/TGc1vYZIqdCpMvGBA9OI:qMJwGPsz5jAN6GIxo

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:
7.8390

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

Code size:
39.5 KB (40,448 bytes)

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

https://assets.yammer.com/application_support/.../setup.exe

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