The tasksche.exe
file is a malicious executable associated with the infamous WannaCry ransomware. Disguised as a legitimate Windows process, it serves as a dropper, initiating the encryption of files and demanding ransom payments from victims. This malware exploits system vulnerabilities to infiltrate computers, making it a significant threat to cybersecurity.
Threat Overview
The tasksche.exe
malware operates as a Trojan horse, masquerading as a benign Windows process. Once executed, it facilitates the deployment of the WannaCry ransomware, leading to widespread file encryption and ransom demands.
Threat Summary
Attribute | Details |
---|---|
Threat Type | Trojan Horse / Ransomware Loader |
Encrypted File Extension | .wnry , .wcry , .wncry , .wncrypt |
Ransom Note File Name(s) | @Please_Read_Me@.txt , msg\m_*.wnry |
Associated Email Addresses | Not specified |
Detection Names | Ransom.Win32.WCRY.DAM, Ransom:Win32/WannaCrypt, WannaCry_Ransomware |
Symptoms of Infection | Slow system performance, high CPU usage, encrypted files with specific extensions, appearance of ransom notes, inability to access certain files or applications |
Damage | File encryption, data loss, potential financial loss due to ransom payments, system instability |
Distribution Methods | Exploitation of SMBv1 vulnerability (MS17-010), phishing emails with malicious attachments, drive-by downloads, bundled with pirated software |
Danger Level | Critical |
Removal Tool | SpyHunter |
In-Depth Analysis
How Did I Get Infected?
The tasksche.exe
malware commonly infiltrates systems through:
- Exploiting SMBv1 Vulnerability (MS17-010): The malware leverages this security flaw to propagate across networks.
- Phishing Emails: Emails with infected attachments or malicious links can deliver the malware upon opening.
- Malicious Downloads: Downloading pirated software or visiting compromised websites can also result in infection.
What Does It Do?
Once executed, tasksche.exe
performs the following actions:
- Deploys WannaCry Ransomware: Encrypts files using strong encryption algorithms.
- Deletes Shadow Copies: Prevents recovery through system restore.
- Displays Ransom Note: Informs the user that their files are encrypted and demands payment in Bitcoin.
- Spreads Laterally: Attempts to infect other systems on the same network.
Should You Be Worried?
Yes. The tasksche.exe
malware is a serious threat because it:
- Encrypts Valuable Data
- Disrupts Business or Personal Operations
- Spreads to Other Devices
Immediate removal is crucial to avoid irreversible damage.
Ransom Note Text
Upon infection, the following ransom note is displayed to the victim:
What Happened to My Computer?
Your important files are encrypted. Many of your documents, photos, videos, databases, and other files are no longer accessible because they have been encrypted.
Can I Recover My Files?
Sure. We guarantee that you can recover all your files safely and easily. But you have not so enough time.
How Do I Pay?
Payment is accepted in Bitcoin only. For more information, click “About bitcoin”.
Please check the current price of Bitcoin and buy some bitcoins. For more information, click “How to buy bitcoins”.
Send the correct amount to the address specified in this window. After your payment, click “Check Payment”. Best time to check: 9:00am – 11:00am GMT from Monday to Friday.
Manual Trojan Malware Removal Guide
Step 1: Boot into Safe Mode
- Restart your computer.
- Before Windows starts, press the F8 key (or Shift + F8 on some systems).
- Select Safe Mode with Networking from the Advanced Boot Options menu.
- Press Enter to boot.
This prevents the Trojan from running and makes it easier to remove.
Step 2: Identify and Stop Malicious Processes
- Press Ctrl + Shift + Esc to open Task Manager.
- Go to the Processes tab (or Details in Windows 10/11).
- Look for suspicious processes using high CPU or memory, or with unfamiliar names.
- Right-click on the suspicious process and select Open File Location.
- If the file is in a temporary or system folder and looks unfamiliar, it is likely malicious.
- Right-click the process and choose End Task.
- Delete the associated file in File Explorer.
Step 3: Remove Trojan-Related Files and Folders
- Press Win + R, type %temp%, and press Enter.
- Delete all files in the Temp folder.
- Also check these directories for unfamiliar or recently created files:
- C:\Users\YourUser\AppData\Local\Temp
- C:\Windows\Temp
- C:\Program Files (x86)
- C:\ProgramData
- C:\Users\YourUser\AppData\Roaming
- Delete suspicious files or folders.
Step 4: Clean Trojan Malware from Registry
- Press Win + R, type regedit, and press Enter.
- Navigate to the following paths:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
- Look for entries launching files from suspicious locations.
- Right-click and delete any entries you don’t recognize.
Warning: Editing the registry can harm your system if done improperly. Proceed with caution.
Step 5: Reset Browser Settings
Google Chrome
- Go to Settings > Reset Settings.
- Click Restore settings to their original defaults and confirm.
Mozilla Firefox
- Go to Help > More Troubleshooting Information.
- Click Refresh Firefox.
Microsoft Edge
- Go to Settings > Reset settings.
- Click Restore settings to their default values.
Step 6: Run a Full Windows Defender Scan
- Open Windows Security via Settings > Update & Security.
- Click Virus & threat protection.
- Choose Scan options, select Full scan, and click Scan now.
Step 7: Update Windows and Installed Software
- Press Win + I, go to Update & Security > Windows Update.
- Click Check for updates and install all available updates.
Automatic Trojan Removal Using SpyHunter
If manually removing the Trojan seems difficult or time-consuming, using SpyHunter is the recommended method. SpyHunter is an advanced anti-malware tool that detects and eliminates Trojan infections effectively.
Step 1: Download SpyHunter
Use the following official link to download SpyHunter: Download SpyHunter
For full instructions on how to install, follow this page: Official SpyHunter Download Instructions
Step 2: Install SpyHunter
- Locate the SpyHunter-Installer.exe file in your Downloads folder.
- Double-click the installer to begin setup.
- Follow the on-screen prompts to complete the installation.
Step 3: Scan Your System
- Open SpyHunter.
- Click Start Scan Now.
- Let the program detect all threats, including Trojan components.
Step 4: Remove Detected Malware
- After the scan, click Fix Threats.
- SpyHunter will automatically quarantine and remove all identified malicious components.
Step 5: Restart Your Computer
Restart your system to ensure all changes take effect and the threat is completely removed.
Tips to Prevent Future Trojan Infections
- Avoid downloading pirated software or opening unknown email attachments.
- Only visit trusted websites and avoid clicking on suspicious ads or pop-ups.
- Use a real-time antivirus solution like SpyHunter for ongoing protection.
- Keep your operating system, browsers, and software up to date.
Conclusion
The tasksche.exe
malware is a dangerous Trojan that facilitates the deployment of the WannaCry ransomware. It leads to severe data encryption and potential financial loss. Its ability to exploit system vulnerabilities and spread rapidly makes it a high-priority threat. Immediate removal using a trusted tool like SpyHunter is essential to restore system integrity and security.
Manual Ransomware Removal Guide
Warning: Manual removal is complex and risky. If not done correctly, it can lead to data loss or incomplete removal of ransomware. Only follow this method if you are an advanced user. If unsure, proceed with Method 2 (SpyHunter Removal Guide).
Step 1: Disconnect from the Internet
- Unplug your Ethernet cable or disconnect Wi-Fi immediately to prevent further communication with the ransomware’s command and control (C2) servers.
Step 2: Boot into Safe Mode
For Windows Users:
- For Windows 10, 11:
- Press Windows + R, type
msconfig
, and hit Enter. - Go to the Boot tab.
- Check Safe boot and select Network.
- Click Apply and OK, then restart your PC.
- Press Windows + R, type
- For Windows 7, 8:
- Restart your PC and press F8 repeatedly before Windows loads.
- Select Safe Mode with Networking and press Enter.
For Mac Users:
- Restart your Mac and immediately press and hold the Shift key.
- Release the key once you see the Apple logo.
- Your Mac will start in Safe Mode.
Step 3: Locate and Terminate Malicious Processes
For Windows Users:
- Press Ctrl + Shift + Esc to open Task Manager.
- Look for suspicious processes (e.g., unknown names, high CPU usage, or random letters).
- Right-click on the process and select End Task.
For Mac Users:
- Open Activity Monitor (Finder > Applications > Utilities > Activity Monitor).
- Look for unusual processes.
- Select the process and click Force Quit.
Step 4: Delete Malicious Files
For Windows Users:
- Press Windows + R, type
%temp%
, and hit Enter. - Delete all files in the Temp folder.
- Navigate to:
C:\Users\[Your Username]\AppData\Roaming
C:\Users\[Your Username]\AppData\Local
C:\Windows\System32
- Look for suspicious files related to the ransomware (random file names, recently modified) and delete them.
For Mac Users:
- Open Finder and go to Go > Go to Folder.
- Type
~/Library/Application Support
and delete suspicious folders. - Navigate to
~/Library/LaunchAgents
and remove unknown.plist
files.
Step 5: Remove Ransomware from Registry or System Settings
For Windows Users:
Warning: Incorrect changes in the Registry Editor can damage your system. Proceed with caution.
- Press Windows + R, type
regedit
, and hit Enter. - Navigate to:
HKEY_CURRENT_USER\Software
HKEY_LOCAL_MACHINE\Software
- Look for unfamiliar folders with random characters or ransomware-related names.
- Right-click and select Delete.
For Mac Users:
- Go to System Preferences > Users & Groups.
- Click on Login Items and remove any suspicious startup items.
- Navigate to
~/Library/Preferences
and remove malicious.plist
files.
Step 6: Restore System Using System Restore (Windows) or Time Machine (Mac)
For Windows Users:
- Press Windows + R, type
rstrui
, and hit Enter. - Click Next, choose a restore point before the infection, and follow the prompts to restore your system.
For Mac Users:
- Restart your Mac and hold Command + R to enter macOS Utilities.
- Select Restore from Time Machine Backup.
- Choose a backup prior to the ransomware infection and restore your system.
Step 7: Use a Decryption Tool (If Available)
- Visit No More Ransom (www.nomoreransom.org) and check if a decryption tool is available for your ransomware variant.
Step 8: Recover Files Using Backup
- If you have backups on an external drive or cloud storage, restore your files.
Automatic Ransomware Removal Using SpyHunter
If manual removal seems too risky or complicated, using a reliable anti-malware tool like SpyHunter is the best alternative.
Step 1: Download SpyHunter
Download SpyHunter from the official link: Download SpyHunter
Or follow the official installation instructions here:
SpyHunter Download Instructions
Step 2: Install SpyHunter
- Open the downloaded file (
SpyHunter-Installer.exe
). - Follow the on-screen prompts to install the program.
- Once installed, launch SpyHunter.
Step 3: Perform a Full System Scan
- Click on Start Scan Now.
- SpyHunter will scan for ransomware and other malware.
- Wait for the scan to complete.
Step 4: Remove Detected Threats
- After the scan, SpyHunter will list all detected threats.
- Click Fix Threats to remove the ransomware.
Step 5: Use SpyHunter’s Malware HelpDesk (If Needed)
If you are dealing with a stubborn ransomware variant, SpyHunter’s Malware HelpDesk provides custom fixes to remove advanced threats.
Step 6: Restore Your Files
If your files are encrypted:
- Try No More Ransom (www.nomoreransom.org) for decryption tools.
- Restore from cloud storage or external backups.
Preventing Future Ransomware Attacks
- Keep backups on an external hard drive or cloud storage.
- Use SpyHunter to detect threats before they infect your system.
- Enable Windows Defender or a trusted antivirus program.
- Avoid suspicious emails, attachments, and links.
- Update Windows, macOS & software regularly.