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Seeing "URL:Blacklist" or "This site has been blocked" from Avast?

Avast Blacklist Removal Service

I clean the underlying malware and remove your domain from Avast Threat Labs and AVG blocklists — usually in 24–72 hours. False positives handled too.

Quick Answer

Avast blacklist removal in plain terms: If Avast shows URL:Blacklist, URL:Mal, or "This site has been blocked" when visitors hit your domain, your URL is on Avast Threat Labs' blocklist — usually because malware, phishing, or SEO spam was detected. The fix is two steps: (1) clean every infected file and database row so the next scan returns clean; (2) submit a domain dispute at threatlabs.avast.com. Most domains are delisted in 24–72 hours once the site is genuinely clean. Requests filed before cleanup almost always fail.

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Start Avast Removal How It Works
4,500+
Sites Recovered
24–72h
Avg. Delisting Time
8+ yrs
Experience
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Why Avast Blacklists a Website

And why filing the dispute before cleaning the cause makes it worse.

Avast Threat Labs runs continuous URL scanning across browsers, mobile apps, Avast Secure Browser, the Web Shield component of Avast Free Antivirus, and the shared Gen Digital threat intelligence feed that also powers AVG, CCleaner, and (in some categories) Norton. When their scanner finds malware behaviour, phishing pages, suspicious redirects, cryptojacking, or SEO-spam patterns on any URL on your domain, the entire domain gets tagged with a URL:Blacklist classification.

What visitors see depends on the Avast product they have installed: a red "This site has been blocked" full-page interstitial, a small "Web Shield blocked a threat" toast, or a Chrome/Edge warning from the Avast Online Security & Privacy extension. On mobile, Avast One just refuses to load the page. The result is the same — your conversions drop to zero on every visitor running Avast or AVG, roughly 400 million users globally.

Here's the part most "blacklist removal" services get wrong: submitting the dispute form on a still-infected site doesn't just fail — it can extend your blacklist period. Avast re-scans the URL when you dispute it. If the malicious payload, cloaked redirect, or injected script is still live (even on a single page deep in /wp-content/uploads/), the dispute is auto-rejected and the domain's reputation score drops further. That's why my process always cleans first, disputes second.

What You're Seeing

Avast Detection Strings, Decoded

The exact warning message tells me where the infection lives.

Detection String What It Means
URL:Blacklist Generic blocklist hit — domain flagged in any threat category
URL:Mal Confirmed malware delivery from the URL
URL:Phishing Phishing kit detected on the domain
HTML:Script-inf Infected script tag found on the page
JS:Miner Cryptojacking script detected
URL:Browser-hijacker Search hijack or "Bad Search Engine" warning
The Gen Digital Connection

One Avast Flag = an AVG Flag, Always

What most "Avast-only" removal services don't tell you.

Avast and AVG are both owned by Gen Digital (formerly NortonLifeLock), and they share threat intelligence at the backend. In practice this means three things you should know before paying anyone for Avast-only removal:

If Avast flags your URL, AVG shows the same flag within hours. Submit both disputes together or you'll be back here for AVG in a week.

Norton Safe Web uses a partially separate dataset, so a Norton flag isn't guaranteed — but it appears in roughly 40% of my Avast cases.

Gen Digital data feeds smaller third-party tools too (browser extensions, parental controls, school/enterprise content filters). Clearing Avast/AVG usually clears these automatically within 7–14 days.

What's Included

Cleanup + Dispute + Hardening, End-to-End

Not just filing the form — the actual fix Avast needs to see.

Avast Threat Labs Dispute Filing

Direct submission to threatlabs.avast.com with cleaned-file evidence, timestamp logs, and VirusTotal verification — the format reviewers approve on the first pass.

AVG Parallel Submission

Same Gen Digital backend = same flag on AVG. I file both disputes in the same window so you don't come back here for AVG in a week.

Manual Malware Cleanup

Obfuscated PHP, JS injections, .htaccess redirects, fake CAPTCHA payloads, hidden admin users, database SEO spam — every Avast trigger removed by hand.

False-Positive Dispute Handling

If your site is genuinely clean but Avast still blocks (stale listing, shared-IP reputation, downstream-link issue), I file as a false-positive dispute with the right framing.

Root-Cause Patching + Hardening

Cloudflare WAF, 2FA on admin, file integrity monitoring, auto-updates. The site you get back is more secure than before the block.

30-Day Reinfection Guarantee

Same malware family within 30 days? I re-clean and re-delist at no extra cost — Avast, AVG, and any cascading vendors included.

The Avast Removal Process

Clean first, dispute second, harden third. Filing in the wrong order is why most DIY attempts fail.

STEP 1

Multi-Vendor Audit

I scan your domain against VirusTotal's 90+ engines, Sucuri SiteCheck, Google Safe Browsing, and Avast Threat Labs. Avast and AVG almost always appear together — I confirm whether Norton, McAfee, or Quttera are also flagging (they often are within 24–48 hours).

STEP 2

Manual Cleanup + Patch

Every infected file, every database injection, every backdoor — by hand. Common Avast triggers: obfuscated JS in theme footer.php, fake CAPTCHA injections, mobile-only .htaccess redirects, hidden admin users, eval'd payloads in mu-plugins. Then I close the entry point that let them in.

STEP 3

Parallel Delisting

I file the dispute at threatlabs.avast.com with file-level evidence Avast reviewers approve fastest, plus the AVG mirror dispute simultaneously. Structured submissions with evidence typically clear in 24–72 hours; generic "please review" submissions sit in the queue for weeks.

False Positives

"My Site Is Clean — Why Is Avast Still Blocking It?"

About 15% of Avast blocks are false positives. Here are the three patterns I see most.

Stale Listing

The hack was cleaned weeks ago but no dispute was filed. Avast's blocklist is sticky — listings can persist 90+ days without an explicit review request.

Shared-IP Reputation

Cheap shared hosting with hundreds of sites per IP. One bad neighbour drags the IP's reputation down and your clean domain gets flagged anyway.

Downstream Link

Your site links to an affiliate or redirector that itself got flagged. Avast traces the chain and flags the source. Outbound link audit fixes it.

Important: Submitting a "false positive" claim on an actually-infected site triggers a longer block, not a faster review. Avast's first response to a false-positive dispute is to re-scan — if the scan still finds something, the listing hardens and future disputes go to a slower manual queue. I audit before assuming false positive.

How Long Avast Blacklist Removal Actually Takes

Realistic timeline from a properly-prepared submission.

Stage Typical Time
Malware cleanup (1–3 infected sites' worth of files) 4–12 hours
Vulnerability patch + hardening 1–3 hours
Avast dispute review (post-clean) 24–72 hours, sometimes < 12
AVG mirror dispute (filed in parallel) Same review window
Total: domain to clean Avast status Most cases: 24–72 hours

What Real Clients Say

Verified reviews from Google Business and Facebook.

"I'm very satisfied with MD Pabel service. He saved my site from hackers and removed all malware attacks. Highly Recommended."

Hassan Infinkey
eCommerce Owner
Google Review

"My website was suffering from some redirect malware. MD was able to take care of the problem for a reasonable fee. For me, he was a lifesaver. I will certainly go to him first should something like that happen again."

Kendall Miller
Founder
Google Review

"Thanks for giving me great support. You are very nice team."

Usama Javed
WordPress Agency
Facebook Review

Simple, Fixed Pricing

Choose based on whether your site is still infected or already clean.

Avast Submission Only

For developers who already cleaned their site

$45 / submission

You've removed the malware yourself. I draft and submit the dispute to Avast Threat Labs (and AVG in parallel — same Gen Digital backend) using the file-evidence format that gets approved fastest.

  • Pre-submission verification scan
  • Custom-written Avast + AVG dispute
  • False-positive framing if applicable
  • Malware cleanup not included
  • Other vendor blacklists not handled
Get Started
Most Popular

Full Cleanup + Avast Delisting

For sites still infected, or flagged by Avast and other vendors

$149 / site

Complete recovery, end-to-end. I clean the malware, patch the vulnerability, and handle removal from every blacklist flagging your domain — Avast, AVG, and any cascading vendors (Norton, McAfee, Bitdefender, etc.) — usually within 24–72 hours.

  • Full manual malware cleanup
  • Database SEO spam removal
  • Backdoor & rogue admin removal
  • Removal from Avast, AVG & all cascading vendors
  • Cloudflare WAF + 2FA setup
  • 30-day reinfection guarantee
Fix My Site Completely

🔒 Most recoveries complete within 24–72 hours · Pay only after I confirm clean status

FAQ

Avast Blacklist Removal — FAQ

The questions clients ask before hiring me. If yours isn't here, send a message .

How do I check if my website is on Avast's blacklist?
Run your URL through VirusTotal — it queries Avast and AVG along with 90+ engines. If Avast shows "Malware" or "Suspicious", you're on the blocklist. You can also check via threatlabs.avast.com, or open your site in a browser running Avast Free Antivirus — if Web Shield blocks it, you're listed.
What does URL:Blacklist mean in Avast?
URL:Blacklist is Avast's generic detection for any URL on its blocklist. About 85% of the time there's a real malware payload, phishing page, SEO spam injection, or redirect on the domain. The remaining ~15% are false positives — stale listings, shared-IP reputation damage, or outbound links to a flagged third-party.
How long does Avast take to remove a URL from their blacklist?
For a properly-prepared dispute on a genuinely clean site: typically 24–72 hours, sometimes under 12. Sites with a previously-rejected dispute go to a slower manual queue (5–10 days). Disputes filed on still-infected sites usually fail silently within 48 hours.
If I'm flagged on Avast, will AVG flag me too?
Almost always, yes. Avast and AVG are both Gen Digital products and share the same URL reputation backend. If your domain shows on Avast Threat Labs, expect the AVG warning within hours. I file the AVG dispute in parallel with the Avast one — separate forms, identical evidence.
My site is clean but Avast still flags it — is this a false positive?
Possibly. Roughly 15% of Avast blocks are false positives. Common causes: stale listing after a fixed hack, shared-hosting IP reputation, outbound links to a recently-flagged third-party domain, or affiliate redirect chains. Disputing as a false positive requires different framing than reporting a remediation — I handle both.
What if Avast already rejected my dispute once?
A rejected dispute means the rescan found something — a residual database row, a cached file, a missed injection. Path forward: complete manual audit, removal of every remaining indicator, re-submission with file-level evidence. Repeated identical submissions push you deeper into the manual queue.
How do I unblock a website blocked by Avast for my own access?
For temporary personal access: Avast Settings → Exceptions → add the URL. This unblocks it only on your machine — other Avast users still see the block. Permanent removal for all users requires a domain dispute at threatlabs.avast.com after cleaning the underlying issue.
Can Avast blacklist a WordPress site that hasn't been hacked?
Rarely, but yes. Most common non-hack causes: shared-hosting IP reputation damage from a neighbour, outbound links to a flagged third-party, aggressive affiliate redirect chains, or a legitimate plugin that briefly served malicious code before being patched. I diagnose the cause before disputing.
What's your guarantee if Avast doesn't remove the listing?
If a properly-cleaned site doesn't get delisted after my submission, I re-engage Avast Threat Labs and resubmit with additional evidence at no extra cost until it's cleared. Reinfection within 30 days that triggers a fresh listing is covered too — cleanup and re-delisting included.

Related Recovery Services & Guides

Flagged by more than just Avast? Jump straight to the right resource.

All Blacklist Removal →

Multi-vendor recovery — 100+ blacklists supported, filed in parallel.

Google Blacklist Removal →

"Deceptive Site Ahead" red screen from Google Safe Browsing.

McAfee Blacklist Removal →

McAfee SiteAdvisor / WebAdvisor warning fix and dispute.

WordPress Malware Removal →

Underlying cause: hacked WordPress, redirects, fake admins, SEO spam.

Mobile JS Trojan Case Study →

Real Avast trigger pattern — mobile-only payload that desktop scans miss.

Mobile Redirect Cleanup →

Case study: hidden mobile redirect found via access logs and removed.

Every hour blocked by Avast = lost revenue

Get Your Domain Off Avast — Usually in 72 Hours

4,500+ sites recovered. 8+ years of WordPress security work. You talk to the specialist directly, not a support queue.

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Last updated: May 19, 2026 by MD Pabel , WordPress Security Specialist — 4,500+ sites cleaned across 8+ years. · href='https://web.facebook.com/mdpabelwpsecurity' class='text-sky-400 hover:underline'> Facebook · Case studies