Digital Security · Luxembourg & Northern France
Virus and Malware
Removal Services
Complete cleaning of digital threats without risking your personal files. Safe removal of spyware, ransomware, adware, and trojans.
About the service
PROFESSIONAL THREAT CLEANING
Modern viruses and malware operate silently to steal sensitive data, log passwords, and damage user files.
Calistech utilizes advanced deep analysis software to detect hidden threats that common antivirus programs miss.
We sanitize web browsers, removing malicious extensions, tracking cookies, and advertising redirectors.
After cleaning, we configure active defenses and install robust protection to prevent future infections.
Services
- Rootkit Detection
- Adware Cleaning
- Ransomware Removal
- Trojan Eradication
WHAT WE DO
Our comprehensive malware disinfection protocol includes:
Deep scanning
Exhaustive scanning of all folders for hidden malware, rootkits, and trojan horses.
Adware Removal
Removing annoying pop-ups, fake search engines, and hijacked browser extensions.
System Recovery
Repairing essential OS system files corrupted or altered by virus actions.
Antivirus Protection
Installing and setting up an updated security solution for active defense.
Security Hardening
Configuring built-in firewalls and disabling vulnerable network ports.
External Drive Check
Scanning and cleaning attached USB flash drives and external hard disks.
Our differences
WHY CHOOSE CALISTECH
We handle emergencies in under 24 hours — because your productivity cannot stop.
Mandatory backup before any intervention. Your files are never at risk.
No surprises. We present the total cost before starting any job.
We travel to your home or company in Luxembourg and northern France.
Guaranteed work. If the problem returns, we fix it at no extra cost.
Support in Portuguese and French for your total convenience.
Computer infected with viruses?
We will reply in less than 24h. Thank you for contacting us.
📞 +352 691 97 59 26 SEND MESSAGE✉ info@calistech.lu
📍 Luxembourg & France
🕐 Mon–Sat, 8am–8pm
We repair all brands
COMPREHENSIVE MULTI-BRAND SERVICES
Calistech provides technical support for all major brands — Dell, HP, Lenovo, ASUS, Acer, Apple, Samsung, Toshiba, and many others. Our technicians are ready to resolve any issue.
OS Formatting & Installation
Formatting resolves extreme slowness, blue screens of death (BSOD), system file corruption, or boot failures.
Request Support →Virus & Malware Removal
Calistech utilizes advanced deep analysis software to detect hidden threats that common antivirus programs miss.
Request Support →Performance Optimization
The system optimization performed by Calistech diagnoses all performance bottlenecks in your OS.
Request Support →Internal Cleaning & Thermal Paste
Constant high heat degrades original thermal paste, causing the system to throttle CPU speeds or shut down to prevent damage.
Request Support →Driver & Software Installation
Calistech diagnoses hardware issues and installs the latest stable official device drivers.
Request Support →Hardware Repair
Calistech repairs laptops of all brands, replacing damaged parts with fresh, warrantied components.
Request Support →Printers & Peripherals
Calistech configures network printers, allowing you to print from multiple computers, tablets, or smartphones.
Request Support →Home Technical Assistance
With Calistech's home technical assistance service, a qualified technician travels directly to your home or office.
Request Support →Brands we repair
OUR DIFFERENCES
TRUST AND
PROFESSIONALISM
Every intervention is treated with maximum rigor and transparency. Free diagnosis, clear quote — we only proceed with your consent.
Simple and transparent
HOW IT WORKS
Free diagnosis
We analyze your device and present the best options.
Data backup
We perform a full backup of your data before any work begins.
Formatting & Setup
Clean install of the chosen OS, activation and full configuration.
Delivery & Warranty
We deliver the tested equipment with all essential software installed.
Discover more
OTHER SERVICES WE PERFORM
OS Formatting & Installation
Clean installation of Windows, Linux, or macOS. Full system setup and configuration.
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Performance Optimization
Your slow computer back to fast speed. Full diagnosis and tuning.
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Hardware Repair
Replacement of screen, keyboard, battery, USB ports, and other hardware components.
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GET IN TOUCH
TODAY
Exclusive availability for customer support. Fill in the form or use our contact channels.