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rsb.exe

Internet Speed Booster Downloader

robust.ws

The program is a setup application that uses the Inno Setup installer. The file has been seen being downloaded from www.windows8downloadsfree.com and multiple other hosts.
Publisher:
robust.ws

Product:
Internet Speed Booster Downloader

Description:
Internet Speed Booster Downloader Setup

Version:
4.0

MD5:
c3aa877eae6c50adb7d2be4ceb19ba85

SHA-1:
1eb139633aa3883925f57f852e6f664a1fc64614

SHA-256:
6b582e601c3ee0dc7af1453a055f191aa6560a9e0a319599f72714e1745520af

Scanner detections:
0 / 68

Status:
Clean (as of last analysis)

Analysis date:
4/19/2024 8:22:14 AM UTC  (today)

File size:
551.2 KB (564,477 bytes)

Product version:
4.0

Copyright:
Copyright © 2014 robust.ws

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
6/19/1992 6:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:5na9Cz3nRiyHJZRgyktwqhUn31t/FhuQtcvS38LCJQBtdGs1rBLsJ:5na4zXR9HJZYtbGn318GkS3rJQBtUkBw

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, E8, CD, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, E8, CD...
 
[+]

Entropy:
7.9508

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

Code size:
37 KB (37,888 bytes)

The file rsb.exe has been seen being distributed by the following 2 URLs.

http://www.windows8downloadsfree.com/go/downloadnow/.../

http://www.robust.ws/.../rsb.exe

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