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Firefox downloads without being asked

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I'm using Firefox 32.0.3 with Win XP. This problem, if that's what is, started recently. The first time that I connect to a website (say, Google) after starting Firefox, the download symbol appears indicating download activity. This is the downward-pointing arrow that starts near the middle of the page and moves up to the download icon on the toolbar. This occurs over the space of about 1 second. It's the same sort of event that occurs whenever something is being downloaded from a website. This happens on several different websites; although, I haven't kept a careful log of which sites are associated with these events. As another bit of information, when using the same version of Firefox on a Win 7 machine, I never encounter anything like this.

My question is: Is this normal or does it indicate some sort of malware activity. Since this problem started I've done full system scans with Symantec Endpoint and with Malwarebytes and not detected anything.

I'm using Firefox 32.0.3 with Win XP. This problem, if that's what is, started recently. The first time that I connect to a website (say, Google) after starting Firefox, the download symbol appears indicating download activity. This is the downward-pointing arrow that starts near the middle of the page and moves up to the download icon on the toolbar. This occurs over the space of about 1 second. It's the same sort of event that occurs whenever something is being downloaded from a website. This happens on several different websites; although, I haven't kept a careful log of which sites are associated with these events. As another bit of information, when using the same version of Firefox on a Win 7 machine, I never encounter anything like this. My question is: Is this normal or does it indicate some sort of malware activity. Since this problem started I've done full system scans with Symantec Endpoint and with Malwarebytes and not detected anything.

Yderligere systemdetaljer

Installerede plugins

  • Shockwave Flash 15.0 r0
  • Next Generation Java Plug-in 10.67.2 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Adobe PDF Plug-In For Firefox and Netscape 11.0.8
  • VLC media player Web Plugin 2.1.3
  • Google Update
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • The DBsign Government Smart Card Information Tool allows data elements from GSC compliant smartcards to be read from browser based applications. USE OF THIS PRODUCT IS GOVERNED BY THE DBSIGN LICENSE AGREEMENT.
  • DBsign Web Signer Plugin
  • MetaStream 3 Plugin r4

Program

  • Firefox 32.0.3
  • User Agent: Mozilla/5.0 (Windows NT 5.1; rv:32.0) Gecko/20100101 Firefox/32.0
  • Support-URL: https://support.mozilla.org/1/firefox/32.0.3/WINNT/en-US/

Udvidelser

  • Microsoft .NET Framework Assistant 0.0.0 ({20a82645-c095-46ed-80e3-08825760534b})
  • Troubleshooter 1.1a (troubleshooter@mozilla.org)
  • Symantec Vulnerability Protection 12.3.0.3 - 1 ({BBDA0591-3099-440a-AA10-41764D9DB4DB}) (Inactive)

Javascript

  • incrementalGCEnabled: True

Grafik

  • adapterDescription: ATI Radeon HD 2400 PRO
  • adapterDescription2:
  • adapterDeviceID: 0x94c3
  • adapterDeviceID2:
  • adapterDrivers: ati2dvag
  • adapterDrivers2:
  • adapterRAM: Unknown
  • adapterRAM2:
  • adapterVendorID: 0x1002
  • adapterVendorID2:
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'']
  • directWriteEnabled: False
  • directWriteVersion: 0.0.0.0
  • driverDate: 8-3-2010
  • driverDate2:
  • driverVersion: 8.762.0.0
  • driverVersion2:
  • info: {u'AzureCanvasBackend': u'skia', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'cairo', u'AzureSkiaAccelerated': 0}
  • isGPU2Active: False
  • numAcceleratedWindows: 1
  • numTotalWindows: 1
  • webglRenderer: Google Inc. -- ANGLE (ATI Radeon HD 2400 PRO Direct3D9 vs_3_0 ps_3_0)
  • windowLayerManagerRemote: False
  • windowLayerManagerType: Direct3D 9

Ændrede indstillinger

  • accessibility.typeaheadfind.flashBar: 0
  • browser.cache.disk.capacity: 358400
  • browser.cache.disk.smart_size.first_run: False
  • browser.cache.disk.smart_size.use_old_max: False
  • browser.cache.disk.smart_size_cached_value: 358400
  • browser.cache.frecency_experiment: 3
  • browser.places.smartBookmarksVersion: 7
  • browser.sessionstore.upgradeBackup.latestBuildID: 20140923175406
  • browser.startup.homepage: https://www.google.com/?gws_rd=ssl
  • browser.startup.homepage_override.buildID: 20140923175406
  • browser.startup.homepage_override.mstone: 32.0.3
  • browser.tabs.warnOnOpen: False
  • dom.mozApps.used: True
  • extensions.lastAppVersion: 32.0.3
  • font.internaluseonly.changed: False
  • network.cookie.prefsMigrated: True
  • places.database.lastMaintenance: 1411783334
  • places.history.expiration.transient_current_max_pages: 87192
  • plugin.disable_full_page_plugin_for_types: application/vnd.adobe.xfd+xml,application/pdf
  • plugin.importedState: True
  • plugin.state.nppdf: 1
  • privacy.donottrackheader.enabled: True
  • privacy.sanitize.migrateFx3Prefs: True
  • security.disable_button.openCertManager: False
  • security.disable_button.openDeviceManager: False
  • storage.vacuum.last.index: 1
  • storage.vacuum.last.places.sqlite: 1409408940

Diverse

  • User JS: Nej
  • Tilgængelighed: Nej
Luk
FredMcD
  • Top 10 Contributor
4270 løsninger 59898 svar

Have you checked the download manager? <Control> J

Have you checked the download manager? '''<Control> J'''

Spørgsmålsstiller

Yes, I've checked the list of downloads, and there doesn't appear to be anything unusual. If this is malware in operation then it's not likely that it would leave an easily-detectable signature. The question remains as to why this download activity is occurring at all, even if it's innocent.

Yes, I've checked the list of downloads, and there doesn't appear to be anything unusual. If this is malware in operation then it's not likely that it would leave an easily-detectable signature. The question remains as to why this download activity is occurring at all, even if it's innocent.
FredMcD
  • Top 10 Contributor
4270 løsninger 59898 svar

Use these add-ons to save everything.

These add-ons can be a great help by backing up and restoring Firefox

FEBE (Firefox Environment Backup Extension) {web link} FEBE allows you to quickly and easily backup your Firefox extensions, history, passwords, and more. In fact, it goes beyond just backing up -- It will actually rebuild your saved files individually into installable .xpi files. It will also make backup of files that you choose.

OPIE {web link} Import/Export extension preferences

Use these add-ons to save everything. These add-ons can be a great help by backing up and restoring Firefox '''[https://addons.mozilla.org/en-US/firefox/addon/febe/ FEBE (Firefox Environment Backup Extension)]''' {web link} FEBE allows you to quickly and easily backup your Firefox extensions, history, passwords, and more. In fact, it goes beyond just backing up -- It will actually rebuild your saved files individually into installable .xpi files. It will also make backup of files that you choose. '''[https://addons.mozilla.org/en-US/firefox/addon/opie/ OPIE]''' {web link} Import/Export extension preferences
FredMcD
  • Top 10 Contributor
4270 løsninger 59898 svar

Reset Firefox {web link}

Reset Firefox -- easily fix most problems

If you're having problems with Firefox, resetting it can help. The reset feature fixes many issues by restoring Firefox to its factory default state while saving your essential information like bookmarks and open tabs.

'''[https://support.mozilla.org/en-US/kb/reset-firefox-easily-fix-most-problems Reset Firefox]''' {web link} Reset Firefox -- easily fix most problems If you're having problems with Firefox, resetting it can help. The reset feature fixes many issues by restoring Firefox to its factory default state while saving your essential information like bookmarks and open tabs.
FredMcD
  • Top 10 Contributor
4270 løsninger 59898 svar

Use FEBE to restore your add-ons. Do not restore any data.

The problem should be gone.

Use FEBE to restore your add-ons. Do not restore any data. The problem should be gone.

Ændret af FredMcD den