background.js file report

MD5 b22e91cd4bd1b9990f459cdaab8d7426
Latest seen 2025-10-31 23:01:02 (7 months ago)
First seen 2017-05-21 07:08:36 (8 years ago)
Size 1 KB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 07:08:36 (8 years ago); latest analysis 2025-10-31 23:01:02 (7 months ago).

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

background.js is a Windows file recorded in the ThreatInfo database. The current detection status is Undefined, based on the latest analysis from 2025-10-31 23:01:02 (7 months ago).

ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.

MD5: b22e91cd4bd1b9990f459cdaab8d7426
Size: 1 KB
First Published: 2017-05-21 07:08:36 (8 years ago)
Latest Published: 2025-10-31 23:01:02 (7 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-10-31 23:01:02 (7 months ago)
%localappdata%\amigo\user data\default\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_0\resources
%localappdata%\amigo\user data\default\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_1\resources
%localappdata%\amigo\user data\profile 2\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_0\resources
%localappdata%\amigo\user data\default\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_2\resources
%localappdata%\amigo\user data\profile 1\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_0\resources
%localappdata%\amigo\user data\default\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_4\resources
%localappdata%\amigo\user data\default\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_3\resources
%localappdata%\amigo\user data\default\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_0
%localappdata%\amigo\user data\default\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_1
%localappdata%\amigo\user data\default\extensions\mbipmajmbfjakbcfnjdldckninlnmhoe\4.0.14_2

ThreatInfo has observed background.js in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

56.2%
15.5%
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The strongest geographic signal for this file is Russian Federation with 56.2% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 7 49.7%
Windows 10 39.8%
Windows 8.1 8.3%
Windows 8 1.9%
Windows Vista 0.1%
Windows Embedded 8.1 0.1%

The most common operating system signal for background.js is Windows 7 with 49.7% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

More information: