Cos.msdos.ru Scam Check: Blacklist Warning

October 12, 2026 at 9:33 AM

Suspicious Website

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Checked by Website Reputation Checker

Table of Contents

Danger Zone

Risky Territory

Caution Advised

Trusted but Verify

Safe & Secure

Cos.msdos → Safety Check

First checked October 12, 2026 at 9:33 AM

Website content and technical signals analyzed

Method: automated checks.

Suspicious Website Gridinsoft currently classifies this site as Suspicious Website. The report highlights 4 blacklist detections, no established public user-review history, and heuristic security signals. These risks are driven by active warning signals despite the site's longer domain history.

How we scored cos.msdos.ru

On-page mentions:

Cybersecurity

Negative signals:

security-provider warnings
multiple malware or phishing blacklist detections (4)
heuristic signals associated with scam
automated caution checks
limited independent reputation data

Positive signals:

a long-term domain history (23.8 years)
an active SSL certificate (3 months)

Context signals:

content related to cybersecurity tools for malware and phishing defense

Final destination:

https[:]//msdos.ru/

12 /100

Trust Score

23.8 years

Domain Age

Location

External provider warnings

Last checked October 12, 2026 at 9:33 AM by Gridinsoft Trust Model v2.5.7

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What is Cos.msdos?

According to its current page title, cos.msdos.ru presents itself as “Suspected Malware | Cloudflare”. The sections below evaluate the site-specific reputation and technical findings.

This domain was registered December 25, 2002 at 9:00 PM through the company REGRU-RU and ownership information is not publicly available. Complaint contact not found.

Is cos.msdos.ru safe?

Use caution with cos.msdos.ru. Its current Gridinsoft trust score is 12/100; review the site-specific findings below before use.

Why is cos.msdos.ru marked "Suspicious Website"?

Gridinsoft's current assessment of cos.msdos.ru is based on automated caution checks, heuristic signals associated with scam, and search indexing restrictions. Context considered alongside those findings includes limited public traffic history. The listed status means the domain currently appears in Gridinsoft's own Threat List; it is not a consensus of external providers. 4 of 26 publicly displayed security sources report a warning. A separate license-restricted partner security signal also contributes to the automated assessment; its provider name and verdict cannot be displayed publicly under the source license.

Gridinsoft Anti-Malware

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Cybersecurity

Index Disabled

The site this site is configured with a noindex, nofollow rule, so search engines ignore it and its links. While this can be intentional, it also prevents the site from appearing in search results.

Blacklisted by Security Providers

Security intelligence signal: A security-provider signal contributes to the automated assessment of cos.msdos.ru. Publicly displayable provider verdicts, when available, are reported separately; some source details may be restricted by license.

Heuristic - Scam

Heuristic Risk

Russia

Established Domain

msdos.ru has maintained active domain presence over time, indicating operational continuity.

Listed by Gridinsoft

Gridinsoft Internet Security classified this site as unsafe. As a VirusTotal partner, our detections contribute to broader protection across tools and browsers.

External provider warnings: 4/26 Suspicious Website

This section shows what independent external security sources say about this site.

A warning appears when one or more sources report malware, phishing, abuse, or other safety concerns. Each row shows the source and its verdict.

If no source reports a warning, the site is shown as clear in this section.

alphaMountain.ai

Malicious

Lionic

Malicious

Sophos

Malicious

SOCRadar

Suspicious

External provider results for Cos.msdos.ru, last checked October 10, 2026. — VirusTotal

Domain Information

Created December 25, 2002 at 9:00 PM Expires: December 25, 2026 at 9:00 PM

Domain Age 23.8 years

Registrar REGRU-RU

Domain Status R E G I S T E R E D D E L E G A T E D V E R I F I E D

Registry Source TCI

Top Level Domain .ru Country Code TLD

Subdomain cos

Technical Details

HTTP status 302

IP Address 104.21.24.214

Hosting Provider AS13335 Cloudflare, Inc. San Francisco, California, US

SSL Certificate WE1 TLSv1.3 · Valid for: 3 months · from September 7, 2026 at 2:27 PM · to December 6, 2026 at 3:23 PM

Name Servers ariadne.ns.cloudflare.com
simon.ns.cloudflare.com

Content from the analyzed website

Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.

Original page title Suspected Malware | Cloudflare

Original description Malware is malicious software created to intentionally disrupt the normal operations of a device.

Primary Language

Mentioned hosts (4)

msdos.ru www.cloudflare.com cos.msdos.ru challenges.cloudflare.com

Cos.msdos.ru is affiliated with the Russian Federation, a nation that initiated a military attack, thus committing a crime against humanity in the form of war against Ukraine for the past 3 years. Our company, Gridinsoft, is based in Ukraine.

The ongoing war has resulted in tragic losses, with our children, parents, and friends facing daily hardships due to the deliberate actions of the Russian military. Homes are being destroyed, and millions of our fellow citizens have been forced to leave their residences.

This is not a political statement but rather a heartfelt plea. We earnestly ask that you refrain from utilizing services provided by websites from Russia. We appeal to your sense of humanity—please avoid purchasing their products or engaging in business transactions with them.

It is critical to recognize that each individual's choices contribute to the financial resources available to the Russian Federation, which directly impacts its ability to sustain this war. Your conscientious decisions can play a role in promoting peace and stability in Ukraine.

How to block Cos.msdos.ru?

Our Anti-Malware can automatically block access to cos.msdos.ru if it is flagged as malicious.

Install and run the protection.
The program will block flagged domains and remove related threats.

Exclusion

If you believe cos.msdos.ru is safe, you can add it to the exclusion list:

Open Gridinsoft Anti-Malware → Tools → Ignore List.
Go to the Internet tab and add cos.msdos.ru.

See detailed instructions for more options.

Are You the Owner?

If you own Cos.msdos.ru and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.

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Your score for cos.msdos.ru

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