GridinSoft Threat Intelligence
$RC548OO.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Hijack.Explorer. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- Hijack.Explorer
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-21 03:01:01 (a day ago)
- File hash
- 7574cf2c64f35161ab1292e2f532aabf
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Hijack.Explorer.
First seen 2017-05-26 09:05:32 (8 years ago); latest analysis 2026-05-21 03:01:01 (a day ago).
Company metadata: Microsoft Corporation. Product metadata: Microsoft(C) Windows(C) Operating System.
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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.
File context
$RC548OO.dll is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft(C) Windows(C) Operating System. The reported company name is Microsoft Corporation. The current detection status is Hijack.Explorer, based on the latest analysis from 2026-05-21 03:01:01 (a day ago).
If $RC548OO.dll appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Hijack.Explorer.
File Details
| Product Name: | Microsoft(C) Windows(C) Operating System |
| Company Name: | Microsoft Corporation |
| MD5: | 7574cf2c64f35161ab1292e2f532aabf |
| Size: | 67 KB |
| First Published: | 2017-05-26 09:05:32 (8 years ago) |
| Latest Published: | 2026-05-21 03:01:01 (a day ago) |
| Status: | Hijack.Explorer (on last analysis) | |
| Analysis Date: | 2026-05-21 03:01:01 (a day ago) |
Detection screenshot
The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.
Common Places:
| %windir%\system32 |
| %commondir%\system |
| %localappdata%\temp |
| %sysdrive%\progra~1\common~1\system |
| %localappdata%\virtualstore\program files\maxthon3\bin |
| %programfiles%\google\update |
| %programfiles%\google\update\1.3.33.5 |
| %windir%\temp |
| %programfiles%\smadav |
| %programfiles%\spybot - search @amp; destroy 2 |
ThreatInfo has observed $RC548OO.dll 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:
21 observed namesThis 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.
Geographic signal
Observed country distribution
ThreatInfo has seen $RC548OO.dll across 83 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Egypt with 14.2% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for $RC548OO.dll is Windows 7 with 72.5% 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
$RC548OO.dll is identified as pe for 32-bit 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
00000000000000000000000000000000
31af0e4e99531a071b07531a0c454f82
e6c13afa940231d3949d9d60d42f1e3a
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.
Report conclusion
GridinSoft detects this file as Hijack.Explorer
This report identifies $RC548OO.dll by MD5 7574cf2c64f35161ab1292e2f532aabf. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.