Offline Malware Removal System for Complete Infection Eradication

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Solution Overview

Problem

Current malware removal techniques are limited, as malware can interfere with the repair process and leave systems vulnerable to further attacks due to incomplete removal and instability issues, especially when attempting to repair systems while they are online.

Innovation Solution

A method and system for removing malware from a system while it is offline, determining if full removal is possible online, and conditionally removing malware parts offline using external storage and offline data access protocols, ensuring system integrity and stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If malware removal is performed while the system is online, then system availability is maintained, but removal completeness and system stability deteriorate due to malware interference and file access conflicts

Engineering Contradiction:
Improvemalware removal completenessVSAvoidsystem availability
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The system performs preliminary assessment of malware removability while online, then schedules and executes the actual removal operation offline. This preliminary action allows the system to prepare removal plans without compromising system stability, ensuring both removal completeness and minimal availability impact.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system dynamically adjusts the malware removal strategy based on real-time system state assessment. It determines whether files are locked or processes are running, and adapts the removal approach accordingly - attempting online removal when safe, and scheduling offline removal when necessary, thus optimizing both removal effectiveness and system availability.

Inventive Principle:
Principle #15Dynamics

2Reliability

If malware removal is performed while the system is offline, then removal completeness and system stability improve, but system availability deteriorates

Engineering Contradiction:
Improvesystem stabilityVSAvoidsystem unavailability duration
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs partial malware removal online by removing removable components while the system is running, then completes the remaining removal offline. This partial action reduces the amount of work needed during offline mode, thereby minimizing system unavailability duration while ensuring complete removal.

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

The system automatically assesses its own malware infection state, determines removability, and schedules offline removal operations without requiring manual intervention. This self-service capability reduces the time users need to wait for system restoration, as the system proactively manages the offline removal process.

Inventive Principle:
Principle #25Self-service

3Productivity

If traditional online malware removal is attempted, then system availability is maintained, but removal effectiveness worsens due to malware interference and incomplete removal

Engineering Contradiction:
Improvesystem availabilityVSAvoidmalware removal effectiveness
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The malware removal process is segmented into distinct phases: online assessment and partial removal of removable components, followed by offline removal of remaining malware. This segmentation allows the system to maintain availability during assessment while ensuring effective removal during offline operations, resolving the contradiction between availability and effectiveness.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system introduces an intermediary assessment mechanism that evaluates malware removability before executing removal operations. This intermediary step determines whether online or offline removal should be used, enabling the system to maintain availability when possible while ensuring effectiveness when necessary.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS8776233B2System, method, and computer program product for removing malware from a system while the system is offline
Publication Date: 2014.07.08 MCAFEE LLC
  • US8776233B2 patent drawing
  • US8776233B2 patent drawing
  • US8776233B2 patent drawing

AI summary

A system, method, and computer program product are provided for removing malware from a system while the system is offline. In use, a system is identified as being infected with malware. Additionally, it is determined whether the malware can be fully removed from the system while the system is online. Further, at least part of the malware is conditionally removed from the system while the system is offline, based on the determining.