Clamav アンチウィルス インストール2026/01/23 |
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コンピューターウィルスからシステムを保護する Clam AntiVirus をインストールします。 |
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| [1] | Clamav をインストールします。 |
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root@dlp:~ #
pkg install -y clamav
root@dlp:~ #
vi /usr/local/etc/freshclam.conf # 167行目 : clamd を使用しない場合はコメントにする # NotifyClamd /usr/local/etc/clamd.conf
# 定義ファイル手動更新 root@dlp:~ # freshclam ClamAV update process started at Fri Jan 23 10:19:17 2026 daily database available for download (remote version: 27888) Time: 2.5s, ETA: 0.0s [========================>] 22.26MiB/22.26MiB Time: 0.5s, ETA: 0.0s [========================>] 8.87KiB/8.87KiB Testing database: '/var/db/clamav/tmp.ab31093a64/daily.cvd' ... Database test passed. daily.cvd updated (version: 27888, sigs: 354839, f-level: 90, builder: svc.clamav-publisher) main database available for download (remote version: 63) Time: 7.0s, ETA: 0.0s [========================>] 84.95MiB/84.95MiB Time: 0.5s, ETA: 0.0s [========================>] 8.87KiB/8.87KiB Testing database: '/var/db/clamav/tmp.ab31093a64/main.cvd' ... Database test passed. main.cvd updated (version: 63, sigs: 3287027, f-level: 90, builder: tomjudge) bytecode database available for download (remote version: 339) Time: 0.1s, ETA: 0.0s [========================>] 275.10KiB/275.10KiB Time: 0.5s, ETA: 0.0s [========================>] 8.87KiB/8.87KiB Testing database: '/var/db/clamav/tmp.ab31093a64/bytecode.cvd' ... Database test passed. bytecode.cvd updated (version: 339, sigs: 80, f-level: 90, builder: nrandolp)root@dlp:~ # service clamav_freshclam enable clamav_freshclam enabled in /etc/rc.conf root@dlp:~ # service clamav_freshclam start |
| [2] | 動作確認としてスキャンを実行します。 |
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# [/home] をスキャン root@dlp:~ # clamscan --infected --remove --recursive /home ----------- SCAN SUMMARY ----------- Known viruses: 3627255 Engine version: 1.5.1 Scanned directories: 27 Scanned files: 57 Infected files: 0 Data scanned: 69.80 KiB Data read: 42.85 KiB (ratio 1.63:1) Time: 8.839 sec (0 m 8 s) Start Date: 2026:01:23 10:22:45 End Date: 2026:01:23 10:22:54 # トライアル無害ウィルスをダウンロード root@dlp:~ # fetch https://files.trendmicro.com/products/eicar-file/eicar.com eicar.com 68 B 112 kBps 00sroot@dlp:~ # clamscan --infected --remove --recursive . # お試しウィルスが検出され削除された /root/eicar.com: Eicar-Test-Signature FOUND /root/eicar.com: Removed. ----------- SCAN SUMMARY ----------- Known viruses: 3627255 Engine version: 1.5.1 Scanned directories: 2 Scanned files: 10 Infected files: 1 Data scanned: 18.25 KiB Data read: 9.18 KiB (ratio 1.99:1) Time: 8.579 sec (0 m 8 s) Start Date: 2026:01:23 10:23:50 End Date: 2026:01:23 10:23:59 |
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