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steamsetup.exe

Bof

MaxSpeedy (New Media Holdings Ltd.)

The application steamsetup.exe, “Bof Setup ” by MaxSpeedy (New Media Holdings) 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from www.bestbundlelaboratory.com.
Publisher:
MaxSpeedy (New Media Holdings Ltd.)  (signed and verified)

Product:
Bof

Description:
Bof Setup

MD5:
ceb828991aa5aafe20740cc5fc894db9

SHA-1:
b0d71bdb8c87153c990c694422a62256e57152af

SHA-256:
a1b6aac2b0dd2ed5f4acdf893fb3ca4df6ade509a72210097d1287e075250560

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.

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:
12/26/2024 2:27:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH (M)
17.2.12.14

File size:
1.2 MB (1,300,600 bytes)

Product version:
5.7.8

Copyright:
Program Stub

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
MaxSpeedy (New Media Holdings Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
3/17/2016 10:51:50 AM

Valid to:
7/11/2017 9:58:16 AM

Subject:
CN=MaxSpeedy (New Media Holdings Ltd.), O=MaxSpeedy (New Media Holdings Ltd.), L=Tel Aviv, C=IL

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

Serial number:
11212FE10B66405450F8589452B67C5B288F

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

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:
7.9849

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://www.bestbundlelaboratory.com/0o8UB3NRbfhzYunmE2or_EHv8HgpVJfv7KJHw60MXVBkKXIg2HiXfo1jWlvm0PBjwjx7RxJzfx iRF9AdgRVwHhS6f_Dsr6agSuEB4eVHW6gIi zvTPccQaNxzUl_m3s3deblJIBwwMtf2cBRgFRLqHc6PN 85_9asLPIM8RzVkm1fxwJIdF1Vv5EUSyBr5zuSh2JHaPCvJ0WVdvf9fCBSjngCS0ovdK3E9K6T6 SvnBjeHDkV29 KdpZLzTi 1jNxLIw9DUxO96VtMVWHq4UYGxUjiFk et41tkXEGVuKhyP2_27w7eWEpS2xq_4dF dW6v4QlDBaoCscsmjeWjs7iY9V83gAcvXaNuTdoAgR6yMeJNlqlzQ6Y8y14DQ14yoBE_KhtKlBM1HxyOZvGoYq_xY84Nu3d7awNx68B5Wf3ZsWsw83TUqy8X2BOVEmNlsZLKx9EJ8Ucd4Dhqte5oMIpHx5Hqog35dEZau0Cr5tX_mlnlhRgsYeV00zrAxcC0buZtfqTN-Gz4AAES3eV7pd3hcIwdGFFIGgUMOXE5tiVwwAA0mh88XmcmoyiRypaf7bhBMLIzwBxlW7UgeNXiN9VL4CQ==

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