background.js file report
ThreatInfo file report
background.js
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2017-05-21 03:02:07 (8 years ago); latest analysis 2025-03-16 23:02:44 (a year ago).
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
background.js is a Windows file recorded in the ThreatInfo database. The current detection status is Undefined, based on the latest analysis from 2025-03-16 23:02:44 (a year 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.
File Details
| MD5: | e2f28126c3eac9a630aa7b3afeace5ee |
| Size: | 9 KB |
| First Published: | 2017-05-21 03:02:07 (8 years ago) |
| Latest Published: | 2025-03-16 23:02:44 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-03-16 23:02:44 (a year ago) |
Common Places:
| %localappdata%\ucbrowser\user data\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_0\scripts |
| %profile%\dministrator\local settings\application data\ucbrowser\user data\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_0\scripts |
| %localappdata%\ucbrowser\user data\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_1\scripts |
| %localappdata%\ucbrowser\user data\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_0 |
| %localappdata%\ucbrowser\user data_i18n\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_0 |
| %localappdata%\ucbrowser\user data\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_0 |
| %localappdata%\ucbrowser\user data\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_0 |
| %localappdata%\ucbrowser\user data\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_0 |
| %localappdata%\ucbrowser\user data\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_0 |
| %localappdata%\ucbrowser\user data\default\extensions\acbckhilidhkcoenjgmejpgnnmcbhjhi\1.7.2_0 |
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.
Geography:
| 22.0% | ||
| 19.2% | ||
| 11.4% | ||
| 6.0% | ||
| 5.4% | ||
| 4.3% | ||
| 4.1% | ||
| 3.2% | ||
| 1.6% | ||
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| 1.5% | ||
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| 1.2% | ||
| 1.0% | ||
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| 1.0% | ||
| 0.9% | ||
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| 0.1% |
The strongest geographic signal for this file is Vietnam with 22.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
| Windows 7 | 50.1% | |
| Windows 10 | 41.6% | |
| Windows 8.1 | 7.0% | |
| Windows 8 | 0.9% | |
| Windows Vista | 0.1% | |
| Windows XP | 0.1% | |
| Windows Server 2003 | 0.1% |
The most common operating system signal for background.js is Windows 7 with 50.1% 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.
Analysis
More information:
