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    2,055,424 files checkedFiles from Modrinth and CurseForge we downloaded and checked. Counted on 25 Oct 2026.636,163 files with their code readFiles whose code we turned back into readable code and read, in an isolated environment. Counted on 25 Oct 2026.269,392 projects gradedProjects with a letter from A to F. Counted on 25 Oct 2026.
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    © 2026 ModgradeNot an official Minecraft product. Not approved by or associated with Mojang or Microsoft.

    Virus 101

    Modpack

    A mysterieus virus is set loose in the world of Minecraft.

    35%Modpack: 35% of its graded mods are A or Bof mods A or B
    • Overview35%
    • SecurityPartly checked
    • Privacy4 send data
    • AIIn 2 mods
    • CompatibilityMinecraft 1.12.2
    • ReleasesLatest Sep 2021

    Download

    Virus 101 - V3.zip

    Released 1 Sep 2021 · 196.8 MB

    Partly checked: 71 of 72 projects checked (1 not checked yet). See Security

    Download
    OverviewSecurityPrivacyAICompatibilityReleases

    Mod grades

    How grades work

    Modpacks get no grade of their own, so we show the grades of its mods. Of its 71 graded mods, 25 are graded A or B, 20 C and 26 D to F. Its last update came out 5.1 years ago, for Minecraft 1.12.2. See the mods

    Content of this pack71 of 72 checked

    The mods of its newest release (Minecraft 1.12.2 · Forge, 1 Sep 2021). Each check result is for the latest files of that mod, which may not be the version in this pack.

    ProjectGradeSecurity
    Just Enough Items (JEI)Mod · 725.1M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Mouse TweaksMod · 548.3M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ControllingMod · 441.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.CollectiveMod · 342.5M downloadsAPassedPassed: our checks found nothing harmful in the latest files.PlaceboMod · 340.7M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Biomes O' PlentyMod · 272.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Carry OnMod · 251.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.ConnectedTexturesModMod · 206.1M downloadsCPassedPassed: our checks found nothing harmful in the latest files.FastWorkbenchMod · 186.9M downloadsBPassedPassed: our checks found nothing harmful in the latest files.CoroUtilMod · 177.9M downloadsBPassedPassed: our checks found nothing harmful in the latest files.AI Improvements: Performance TuningMod · 173.6M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Aquaculture 2Mod · 168.5M downloadsAPassedPassed: our checks found nothing harmful in the latest files.FastFurnaceMod · 151.9M downloadsBPassedPassed: our checks found nothing harmful in the latest files.Inventory Tweaks [1.12 only] Mod · 143.4M downloads-PassedPassed: our checks found nothing harmful in the latest files.Custom Main MenuMod · 137.3M downloadsDPassedPassed: our checks found nothing harmful in the latest files.iChunUtilMod · 132M downloadsCPassedPassed: our checks found nothing harmful in the latest files.Serene SeasonsMod · 125.2M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Resource LoaderMod · 121.7M downloadsDPassedPassed: our checks found nothing harmful in the latest files.ReAuthMod · 114M downloadsDPassedPassed: our checks found nothing harmful in the latest files.GraveStone ModMod · 105.8M downloadsAPassedPassed: our checks found nothing harmful in the latest files.BetterFpsMod · 102.8M downloadsCPassedPassed: our checks found nothing harmful in the latest files.SwingThroughGrassMod · 100.7M downloadsCPassedPassed: our checks found nothing harmful in the latest files.Villager NamesMod · 83.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.Spartan ShieldsMod · 83.1M downloadsCPassedPassed: our checks found nothing harmful in the latest files.Dynamic SurroundingsMod · 82.9M downloadsAPassedPassed: our checks found nothing harmful in the latest files.
    1 to 25 of 72123

    1 file not listed: no matching project found.

    Changes since the previous release · 1 added, 2 removed

    Compared with the release of 12 May 2021 for the same platform, Minecraft version and loader. We do not compare the versions of the mods yet.

    Added
    More Overlays
    Removed
    CurseForge project 296118 and YUNG's Better Mineshafts
    Share graded A or B
    down 2 points

    Details

    Creator
    maatjero
    License
    Not known
    Downloads
    1.4K
    Created
    27 Apr 2021
    Official page
    CurseForge

    Security

    No harmful code found in the projects we checked

    We checked 71 of its 72 projects, without running them.

    We have not checked the files in the pack itself yet (settings, scripts).

    Why we show this: a modpack installs the files of its mods, and each mod runs on your computer like any program. Our checks look for known signs of harm. They cannot prove that a file is harmless. In the grade: a modpack has no grade of its own, and each mod's result counts in that mod's grade.

    How we checked · 71 of 72 projects checked
    • Its projects
      See what is in this pack
      72 projects
    • Not checked yet
      Villagers Leashed!
      1 project
    • Files in the pack itself
      Not checked yet.

    Privacy

    4 mods send something about you

    We read the code of 70 of its 71 mods, without running it.

    CollectivePlayer IDCustom Main MenuPlayer nameReAuthUnknown dataMo' BendsUnknown data

    Why we show this: a modpack runs the code of its mods, and a mod can send things about you over the internet, like your player name or your login. Contacting an address to check for updates or download files sends nothing about you. Not in the grade: sending data can be normal for what a mod does.

    How we checked · 70 of 71 mods read
    • Go online onlyTheir code contacts a web address, for example to check for updates. We found nothing it sends about you.
      PlaceboBetterFpsAdditional StructuresBack ToolsOpen Terrain Generator (OTG)
      5 mods
    • Send nothing
      Their code contacts no web address.
      61 mods
    • Not read yet
      We have not read their code yet.
      1 mod

    AI

    AI used in 2 of the 37 mods we checked

    We found an AI tool in them, or their authors declared AI content.

    34 mods are not checked yet.

    Just Enough Items (JEI)Claude CodeDynamic SurroundingsClaude Code

    Made with AI: not checked yet

    We have not looked for AI tools in the pack itself yet.

    Why we show this: some players and servers avoid projects made with AI, and AI in the game can send what you write to an online service. Not in the grade: using AI does not tell whether a project works well or is kept up to date.

    How we checked · 1 place read
    • Author on ModrinthThe disclosure form on Modrinth. Since 13 Aug 2026, Modrinth's rules require it when a substantial part of the code is AI output, when an asset is mainly AI output, or when the project or its page relies on generative AI.
      Not on Modrinth.
    • Description and changelogsThe description, project page and newest changelogs: sentences saying an AI tool was used, and text pasted from an AI chat.
      Nothing found in the description
      Changelogs not read yet
    • Its filesFiles that AI coding tools leave behind (like AGENTS.md), and the texts inside the files you download.
      Not read yet
    • Images in its filesHidden data in the images of the files you download, where AI image tools write their name and settings.
      Not read yet

    Compatibility

    See all 4 files
    Forge
    1.121.151.171.2026.1

    Point at or tap a version to see its loaders.

    RequiresProjects you must also install for it to work. From the author's lists for its files for recent Minecraft versions, or from its project page.Nothing
    OptionalProjects it can work with but does not need. The author lists them.Nothing
    IncludesProjects packed inside its files.72 projects, listed in the Overview tab.
    Speed of updatesHow fast it gets a file for new Minecraft versions, on average, compared with similar projects. Not part of the grade.No file yet for any of the last 6 Minecraft versions.

    4 releases

    MinecraftLoaderVersionReleasedSecurityGet it onDownload
    1.12.2·Forge33 · Virus 101 - V3.zip·1 Sep 2021Partly checkedPartly checked: 71 of 72 projects checked (1 not checked yet).Open this file on CurseForgeDownload · Stable · 196.8 MB
    1.12.2·Forge2.12.1 · Virus 101-2.1.zip·12 May 2021Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 196.8 MB
    1.12.2·Forge22 · Virus 101-2.zip·10 May 2021Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 181.6 MB
    1.12.2·Loader not stated11 · Virus 101-1.zip·28 Apr 2021Not checkedWe have not checked this file yet.Open this file on CurseForgeDownload · Stable · 211.9 MB