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steamsetup.exe

Web

Software Generic

The application steamsetup.exe, “Web Setup ” has been detected as a potentially unwanted program by 9 anti-malware scanners. 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. The file has been seen being downloaded from extrimdownloadmanager.com.
Publisher:
Software Generic

Product:
Web

Description:
Web Setup

Version:
3.0.2.8

MD5:
3fa3a94c9c36d4b9dd2ab4ba6e96dc96

SHA-1:
ea38fb9b578094a4be4dd559bd6904225eca804e

SHA-256:
9478a4a740dd2895d1651a294ba6d1a9497b394dc01761ae8014f0bbb6c15236

Scanner detections:
9 / 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:
4/19/2024 5:04:09 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Badur
7.1.1

Comodo Security
Application.Win32.InstallCore.DWR
23732

ESET NOD32
Win32/InstallCore.ACZ potentially unwanted application
7.0.302.0

Malwarebytes
PUP.Optional.InstallCore
v2015.12.13.01

NANO AntiVirus
Riskware.Win32.InstallCore.dsmvqa
1.0.10.5081

nProtect
Trojan/W32.Badur.703974
15.12.11.01

Qihoo 360 Security
HEUR/QVM06.1.Malware.Gen
1.0.0.1077

Vba32 AntiVirus
Malware-Cryptor.InstallCore.gen
3.12.26.4

VIPRE Antivirus
Threat.4150696
45736

File size:
687.5 KB (703,974 bytes)

Product version:
3.1

Copyright:
Generic Web

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

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):
12288:8pHGNphQgFvUf9hd9aWEOkL7csI92IiavG3vx7gYRN5c+j0k9dpHlncrXRL20LvZ:8pHs0gUf9h7NgC92IYpDVV0UHGlKYB

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:
7.8903

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

Code size:
39.5 KB (40,448 bytes)

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

http://extrimdownloadmanager.com/?dl=1&pi=ATn4OZn1NZ7zNw==&osos=VdluDrW3cw==&dr=cHaWck1z2rVP SD0 T1z2dVl2kDzcj1QDyDphXAmD3vpDZ0m rcWDK4m7dAWVVAm7dREhKVuvmAWASDChTMm7dlChV8FAT7dNjCwOTnm7K2pDZ1fATgRNTLdNzMyAw==&pd=2323UmxJ2d4t7XswcyFj d0=&campaignId=9jn0AzM4NzayAZMq

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