win-install_steam_1.0.exe

Cyberservices B.V.

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application win-install_steam_1.0.exe by Cyberservices B.V 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 OutBrowse Revenyou installer. The file has been seen being downloaded from pt.win-install.info.
Publisher:
Cyberservices B.V.  (signed and verified)

MD5:
74b5b3f0c9d85522e00c8b90a3a3d9ba

SHA-1:
a9f300abb8e26548ce106f5883e88148e6733415

SHA-256:
9b96eb5a6984fea88e10f8a5cc6ef76d133b39f3296cd850ea58a9d8de7a5032

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/19/2024 12:50:47 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.27.6

File size:
460.7 KB (471,760 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou

Language:
English (United States)

Common path:
C:\users\{user}\downloads\win-install_steam_1.0.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
2/9/2014 10:00:00 PM

Valid to:
2/10/2016 9:59:59 PM

Subject:
CN=Cyberservices B.V., O=Cyberservices B.V., STREET=Keizersgracht 62-64 NL, L=Amsterdam, S=Nordholland, PostalCode=1015CS, C=NL

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

Serial number:
797CAC4561E8B8B21910CD01E0002669

File PE Metadata
Compilation timestamp:
8/4/2014 4:32:40 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:BvWoBObcObcSkPQhRuVX1H7DpvTtxFFWtC7ulBi:N5IcI7sQuVF5nFFt7ulE

Entry address:
0x1CA34

Entry point:
E8, A0, 48, 00, 00, E9, 89, FE, FF, FF, CC, CC, 8B, 44, 24, 08, 8B, 4C, 24, 10, 0B, C8, 8B, 4C, 24, 0C, 75, 09, 8B, 44, 24, 04, F7, E1, C2, 10, 00, 53, F7, E1, 8B, D8, 8B, 44, 24, 08, F7, 64, 24, 14, 03, D8, 8B, 44, 24, 08, F7, E1, 03, D3, 5B, C2, 10, 00, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 0C, DE, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF...
 
[+]

Code size:
171 KB (175,104 bytes)

The file win-install_steam_1.0.exe has been seen being distributed by the following URL.

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