RtlLib.dll.Cover file report
ThreatInfo file report
RtlLib.dll.Cover
Why it matters
Evidence available for this file
Latest status is clean for this hash.
First seen 2017-05-21 03:02:09 (8 years ago); latest analysis 2025-11-28 23:00:25 (6 months ago).
Company metadata: Realtek Semiconductor Corp.. Product metadata: RtlLib Dynamic Link Library.
Signed by Realtek Semiconductor Corp. The signature is reported as valid, but signed files can still be bundled or abused.
This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.
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
- Confirm the hash and publisher match the expected software.
- Review the observed locations and signature information below.
- Rescan if the file was downloaded from an unknown source or appears in an unusual path.
File context
RtlLib.dll.Cover is a Windows file recorded in the ThreatInfo database. It is associated with RtlLib Dynamic Link Library. The reported company name is Realtek Semiconductor Corp.. The current detection status is Clean, based on the latest analysis from 2025-11-28 23:00:25 (6 months ago).
This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.
File Details
| Product Name: | RtlLib Dynamic Link Library |
| Company Name: | Realtek Semiconductor Corp. |
| MD5: | 5795103ac937307a23438a141dae52c5 |
| Size: | 511 KB |
| First Published: | 2017-05-21 03:02:09 (8 years ago) |
| Latest Published: | 2025-11-28 23:00:25 (6 months ago) |
| Status: | Clean (on last analysis) | |
| Analysis Date: | 2025-11-28 23:00:25 (6 months ago) |
Overview
| Signed By: | Realtek Semiconductor Corp |
| Status: | Valid |
The signature on RtlLib.dll.Cover is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.
Common Places:
| %localappdata%\ucbrowser\user data\ucwifi\1.0.0.8 |
| %programfiles%\ucbrowser\application\6.1.2015.1007 |
| %programfiles%\ucbrowser\application\6.0.1308.1201 |
| %programfiles%\ucbrowser\application\5.7.16817.1002 |
| %localappdata%\ucbrowser\user data_i18n\ucwifi\2.0.0.0 |
| %programfiles%\ucbrowser\application\5.6.11651.1013 |
| %programfiles%\ucbrowser\application\5.6.11651.1013\update\0\remote\0_beta_package\5.6.12265.1017 |
| %programfiles%\ucbrowser\application\5.7.16281.1003 |
| %programfiles%\ucbrowser\application\5.7.15533.1010 |
| %programfiles%\ucbrowser\application\5.6.12265.1017 |
ThreatInfo has observed RtlLib.dll.Cover 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.
File Names:
| RtlLib.dll |
| RtlLib.dll.Cover |
This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.
Geography:
| 13.9% | ||
| 13.7% | ||
| 12.1% | ||
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The strongest geographic signal for this file is Vietnam with 13.9% 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 | 50.2% | |
| Windows 10 | 40.3% | |
| Windows 8.1 | 5.9% | |
| Windows 8 | 2.3% | |
| Windows XP | 0.9% | |
| Windows Vista | 0.2% | |
| Windows Embedded 8.1 | 0.1% | |
| Windows Server 2003 | 0.1% |
The most common operating system signal for RtlLib.dll.Cover is Windows 7 with 50.2% 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
RtlLib.dll.Cover is identified as pe for 32 systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.
| Subsystem: | Windows GUI |
| PE Type: | pe |
| OS Bitness: | 32 |
| Image Base: | 0x10000000 |
| Entry Address: | 0x00048881 |
PE Sections:
| Name | Size of data | MD5 |
| .text | 378368 | d2d167bb6e9f7af01146c2cf54a9c7c7 |
| .rdata | 75776 | ccb4fe13f20dbda041c8f1725e062847 |
| .data | 10240 | 000b940cbc328665678fbb0ae30e0317 |
| .rsrc | 15872 | ca75642941d1a81677049e8b8ac4fcb1 |
| .reloc | 34816 | 69a9ef5efe2efed3a39a5829f1dab27b |
PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.
More information:
