How to remove LockBit 5.0 Ransomware and Decrypt .Hjy123hkdS Files?
LockBit 5.0 is one of the most disruptive ransomware strains active today, using double extortion tactics to pressure victims: first by encrypting files, then by threatening to leak stolen data. Businesses, governments, and organizations of all sizes have been targeted. Recovery may feel impossible, but with the right expertise, data restoration without paying the ransom is often achievable.
Related article: How to Decrypt .phenol Files after Phenol Ransomware Attack?
🔎 Extension Note: How to Identify LockBit 5.0 Infections
If your encrypted files now end with the .Hjy123hkdS extension and you’ve found a ransom note named ReadMeForDecrypt.txt in affected folders, this confirms that you’re dealing with a LockBit 5.0 ransomware attack.
These two artifacts — the extension and the note — are critical for:
- Verifying the ransomware variant,
- Mapping recovery options, and
- Guiding safe decryption testing.
Do not delete or modify these files. Preserve them as evidence and share copies (read-only) with your recovery team for analysis.
Also read: How to Decrypt Lamia Loader (.enc.LamiaLoader) Ransomware Files?
Our lockbit 5.0 Decryptor: Rapid Recovery, Expert-Engineered
Our team specializes in enterprise-grade ransomware recovery. For lockbit 5.0, we provide a controlled, auditable process designed for reliability, performance, and accuracy across Windows, Linux, and VMware ESXi environments. We never run anything that alters your systems before we complete read-only assessments and integrity checks. Our goal is straightforward: recover usable data safely while reducing downtime and avoiding further damage.
How It Works (High-Level, Safe & Compliant)?
AI + Integrity Ledger Analysis
We analyze sample encrypted files in a secure environment. AI-assisted pattern matching compares file headers, metadata, and batch behavior to known campaign signatures. All steps are logged to an append-only integrity ledger (tamper-evident) so you can verify chain-of-custody.
Victim/Login ID–Based Mapping
Many LockBit variants include a victim/login ID in the ransom infrastructure. Even if that is absent, we use batch markers — such as the ransom-string file extension you reported (example: Hjy123hkdS) and the ransom note name (ReadMeForDecrypt.txt) — to map your samples to possible recovery methods.
Universal Key Support (When Applicable)
Some cases exhibit recoverable misconfigurations across multiple victims (legacy key reuse, implementation flaws). Where those signals are present, we test for universal or cross-batch recovery options. We are explicit about feasibility from the first test report.
Secure, Read-Only Execution
We always start with read-only scans and staged test decryptions on copies. Only after you authorize results and validation do we proceed with broader operations. Every action creates verifiable hashes and audit artifacts.
Requirements
- A copy (read-only) of the ransom note: ReadMeForDecrypt.txt
- A representative sample set of encrypted files (not more than a few MBs for the first test) — files exhibiting the extension Hjy123hkdS (or the actual campaign suffix used).
- Administrative access (local or domain) to mount/test restores or to run limited recovery tooling when onsite.
- Internet access for cloud-assisted analysis, or a secure courier option for air-gapped environments.
Immediate Steps to Take After a lockbit 5.0 Attack
Disconnect Immediately
Isolate infected hosts and shares from the network to stop lateral spread and further exfiltration.
Preserve Everything (Ransom Note: ReadMeForDecrypt.txt)
Do not delete or edit ReadMeForDecrypt.txt. That file is an important evidence artifact. Preserve copies (write-protected) and hash them for chain-of-custody. The ransom-string extension (example: Hjy123hkdS) appended to your files and the ransom note filename are critical to mapping and testing.
Avoid Reboots & Wipes
Avoid operations that can destroy volatile evidence (for example, memory dumps, scheduled task logs) unless a forensic team has captured them. Rebooting can trigger cleanup or anti-analysis routines that reduce recovery chances.
Contact a Ransomware Recovery Expert
Work only with vetted responders who provide NDA-backed engagements, test sample decryptions, and produce audit trails. Avoid unknown tools or services from unverified forums.
How to Decrypt lockbit 5.0 and Recover Your Data?
We do not provide exploit code, operational instructions for attackers, or tools that enable malicious use. The paths below are defender-focused.
Free Methods
Backups & Snapshots (Gold Standard)
Recovering from offline, immutable, or off-site backups is the fastest and safest path. Confirm backup integrity (hash checks, mount tests) before mass restores. If your backups were exposed or snapshots deleted, this path may be compromised.
Windows Previous Versions / Shadow Copy (If Intact)
If shadow copies exist and were not deleted, they may allow selective recovery. Because advanced ransomware often removes shadow copies, always verify first and work from copies.
Paid/Commercial Paths
Professional Recovery & Validation Testing
Engage a firm that performs sample decryptions, variant mapping (using markers such as Hjy123hkdS and ReadMeForDecrypt.txt), and staged rollouts. Expect clear deliverables: test reports, audit logs, and explicit acceptance criteria for each batch.
Third-Party Negotiators (Pros & Cons)
Negotiators can sometimes reduce ransom demands or verify attacker legitimacy, but they add cost, delay, and legal complexity. Regulatory frameworks in some sectors restrict ransom payments; consult counsel.
Our Specialized lockbit 5.0 Decryptor
Our decryptor offering is a process + people service — not a black-box claim. We combine:
- Forensic intake and sample testing (read-only).
- Pattern-based mapping using extension markers (e.g., Hjy123hkdS) and ransom-note artifacts (ReadMeForDecrypt.txt).
- Staged, auditable decrypt passes with side-by-side file integrity checks.
- Optional onsite or air-gapped offline execution for high-security environments.
We will never claim 100% success up front; we demonstrate feasibility through an initial test before any larger engagement or payment is requested.
Step-by-Step Recovery Guide with Our Decryptor
Assess the Infection (Look for extension Hjy123hkdS & ReadMeForDecrypt.txt)
Collect sample filenames, timestamps, the ransom note file ReadMeForDecrypt.txt, and EDR/IDP alerts. The ransom-string suffix (for example Hjy123hkdS) attached to file names and the presence of the ransom note are the first signals defenders and responders use to triage.
Secure the Environment
Suspend scheduled backups (to avoid overwrites), rotate exposed credentials, and isolate critical management planes (AD, vCenter, backup servers).
Engage Our Recovery Team
Submit: (1) a copy of ReadMeForDecrypt.txt (read-only), (2) 3–10 representative encrypted files, and (3) a short inventory of affected hosts. We’ll produce a go/no-go on recoverability within the test window.
Run Our Decryptor (Online/Offline Modes)
- Online Mode: Faster, collaborative, with telemetry and live engineering support.
- Offline Mode: Air-gapped execution for sensitive networks using couriered media; all results delivered as verified artifacts.
Also read: How to remove Theft Ransomware (.theft) and Recover Data?
Offline vs Online Decryption Methods
- Offline Methods: Preferred for regulated or classified environments. Require strict chain-of-custody, signed tooling, and physical transfer of media.
- Online Methods: Best for speed and interaction; results are auditable and can be rolled out rapidly with remote support.
We support both and will recommend the safest option based on sensitivity and compliance needs.
What is lockbit 5.0? (RaaS Context, Double-Extortion)
lockbit 5.0 refers to a modern iteration of the LockBit ransomware brand. It commonly operates as Ransomware-as-a-Service (RaaS): a core developer group provides tooling and portals, and affiliates carry out intrusions. The model often includes double-extortion — theft of data before encryption, then threats to publish stolen data unless paid.
As a victim, the key operational realities are containment, legal reporting, and validated recovery. The presence of an identifiable file extension (e.g., Hjy123hkdS) and a note named ReadMeForDecrypt.txt helps responders scope the incident quickly.
How lockbit 5.0 Works: High-Level TTPs
Initial Access (Phishing, Exposed Services, VPN/RDP)
Attackers commonly gain entrance through misconfigured VPNs, stolen credentials, exposed RDP, or phishing campaigns. MFA and timely patching of perimeter devices dramatically lower this risk.
Privilege Escalation & Lateral Movement
Once inside, actors seek domain credentials, administrative interfaces (AD, vCenter), and backup access. Monitoring for abnormal admin behavior and unusual lateral traffic is critical.
Defense Evasion & Data Theft
Expect behavior such as disabling backups, deleting shadow copies, and exfiltrating data to cloud storage or anonymized endpoints. Early detection of mass file access or staging behavior is essential.
Encryption & Extortion Flow
After staging and exfiltration, encryption is performed rapidly. Files may be renamed to append a ransom-string extension — in your case, Hjy123hkdS — and the attacker will drop a note titled ReadMeForDecrypt.txt directing victims to their negotiation portal.
Known Indicators & Behaviors
- Mass file renames with the same appended suffix (e.g., .Hjy123hkdS) across many directories.
- Presence of the ransom note file ReadMeForDecrypt.txt in multiple folders.
- Evidence of shadow copy deletion and backup job failures.
- New or unusual outbound traffic to storage or tunneling services.
- New scheduled tasks or services created around the time of mass encryption.
Defensive tip: configure SIEM rules to alert on sudden surges of file extensions matching .*\.Hjy123hkdS$ and the creation of a file named ReadMeForDecrypt.txt.
Mitigations & Best Practices
- Immutable Backups & Regular Restore Tests
- MFA for All Remote Access
- Patch Internet-Facing Systems Quickly
- Least Privilege & Just-In-Time Access
- Network Segmentation
- 24/7 Monitoring & Ransomware Playbooks
- Incident Reporting & Legal Coordination
Ransom Note Reality Check — The Context of ReadMeForDecrypt.txt
The ransom note file ReadMeForDecrypt.txt is an evidence artifact that serves several attacker goals:
~~~ You have been attacked by LockBit 5.0 – the fastest, most stable and immortal ransomware since 2019 ~~~~
>>>>> You must pay us.
Tor Browser link where the stolen infortmation will be published:
http://lockbitapt67g6rwzjbcxnww5efpg4qok6vpfeth7wx3okj52ks4wtad.onion
>>>>> What is the guarantee that we won’t scam you?
We are the oldest extortion gang on the planet and nothing is more important to us than our reputation. We are not a politically motivated group and want nothing but financial rewards for our work. If we defraud even one client, other clients will not pay us. In 5 years, not a single client has been left dissatisfied after making a deal with us. If you pay the ransom, we will fulfill all the terms we agreed upon during the negotiation process. Treat this situation simply as a paid training session for your system administrators, because it was the misconfiguration of your corporate network that allowed us to attack you. Our pentesting services should be paid for the same way you pay your system administrators’ salaries. You can get more information about us on wikipedia https://en.wikipedia.org/wiki/LockBit
>>>>> Warning! Do not delete or modify encrypted files, it will lead to irreversible problems with decryption of files!
>>>>> Don’t go to the police or the FBI for help and don’t tell anyone that we attacked you. They will forbid you from paying the ransom and will not help you in any way, you will be left with encrypted files and your business will die.
>>>>> When buying bitcoin, do not tell anyone the true purpose of the purchase. Some brokers, especially in the US, do not allow you to buy bitcoin to pay ransom. Communicate any other reason for the purchase, such as: personal investment in cryptocurrency, bitcoin as a gift, paying to buy assets for your business using bitcoin, cryptocurrency payment for consulting services, cryptocurrency payment for any other services, cryptocurrency donations, cryptocurrency donations for Donald Trump to win the election, buying bitcoin to participate in ICO and buy other cryptocurrencies, buying cryptocurrencies to leave an inheritance for your children, or any other purpose for buying cryptocurrency. Also you can use adequate cryptocurrency brokers who do not ask questions for what you buy cryptocurrency.
>>>>> After buying cryptocurrency from a broker, store the cryptocurrency on a cold wallet, such as https://electrum.org/ or any other cold cryptocurrency wallet, more details on https://bitcoin.org By paying the ransom from your personal cold cryptocurrency wallet, you will avoid any problems from regulators, police and brokers.
>>>>> Don’t be afraid of any legal consequences, you were very scared, that’s why you followed all our instructions, it’s not your fault if you are very scared. Not a single company that paid us has had issues. Any excuses are just for insurance company to not pay on their obligation.
>>>>> You need to contact us via TOR sites with your personal ID
Download and install Tor Browser https://www.torproject.org/
Write to the chat room and wait for an answer, we’ll guarantee a response from us. If you need a unique ID for correspondence with us that no one will know about, ask it in the chat, we will generate a secret chat for you and give you ID via private one-time memos service, no one can find out this ID but you. Sometimes you will have to wait some time for our reply, this is because we have a lot of work and we attack hundreds of companies around the world.
Tor Browser link for chat with us:
http://lockbitsuppyx2jegaoyiw44ica5vdho63m5ijjlmfb7omq3tfr3qhyd.onion
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>> Your personal identifier to communicate with us ID: BBE99C44EB6B4068A533AD36094BFBFD <<<<<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>>>>> Advertising:
Want a lamborghini, a ferrari and lots of titty girls? Sign up and start your pentester billionaire journey in 5 minutes with us.
http://lockbitfbinpwhbyomxkiqtwhwiyetrbkb4hnqmshaonqxmsrqwg7yad.onion
After registration, you will receive the most flawless and reliable tools for encrypting almost all operating systems on the planet and a platform for negotiating with attacked companies.
Version: ChuongDong v1.01 | x64
Statistics & Facts: Impact and Trends
- LockBit 5.0 remains one of the most widely deployed RaaS models globally.
- Double-extortion tactics mean data theft + encryption, increasing compliance and reputational risks.
- Most recovery costs come from downtime, rebuilds, and notifications, not just ransom.
Conclusion: Restore Your Data, Reclaim Your Network
If your systems show files ending in .Hjy123hkdS and a ransom note named ReadMeForDecrypt.txt, you are facing a LockBit 5.0 ransomware attack. While the threat is severe, recovery is achievable with the right process, tools, and expertise. Preserve all evidence, avoid hasty decisions, and engage experts who provide staged, verifiable recovery with compliance-ready documentation.
Frequently Asked Questions
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