prevhost.exe
Sources: 300M+ executions observed in the wild.
Summary
Windows Preview Handler Surrogate Host - hosts file preview handlers for File Explorer preview pane.
prevhost.exe is the 549th most commonly executed Windows program in EchoTrail's dataset, observed 9,468 times across enterprise environments. It typically runs from C:\Windows\System32 and it is most often launched by svchost.exe.
Get this in your tools
The same record for prevhost.exe, by REST or as an MCP tool. Free key, no card.
curl -H "Authorization: Bearer $ECHOTRAIL_KEY" \
https://api.echotrail.io/v1/process/prevhost.exeFree returns the summary. Team returns the full record you see on this page. Endpoint docs
Behavior
Top Paths
- C:\Windows\System3250.56%
- C:\Windows\SysWOW6449.44%
Top Hashes (SHA256)
- 82e8c5b947c25eba8238be0b803f35a2d61a37be81b8380b3cc756d4d1c2335820.69%
- 9ab198ea2629d406170c16cf4fd97e1f44d5a3c1237946afee314298e768600913.6%
- 0b853446d43161cefa1c901c9c2eba60ba5ac12cc63b0064230a25bd711c7c8611.61%
- c24a7ea93c8788369a22fff0dffe26133ff8b937e7a60732ab40b79363f0fdc111.2%
- ca345b9bfc51923f6a505ddb4f13583c63967682bc1c349e817dcf9f23d5b2969.15%
- 32863169da356243fd74440ab2ce0de7eacf2a5760027602dab5159c464621d48.87%
- e07240527aa53e46519e2febb4321df9e99daf77812066d363dad619b9488c4c5.26%
- a5e77d6c2d343da645acc660d45b15acaafefbd091a2f18a0c5137655d8480263.98%
- 09518d012f6ebfac98753f33e31d3f0e504c8dbe271302fa6074f601f47b03112.94%
- 6d1f3a5ec1309b7b670ce9f0edec44c3f2373708acfc9c75cd2557bf62cb41fd2.75%
Process Ancestry
Top Grandparents
- services.exe100%
Top Parents
- svchost.exe99.96%
- OUTLOOK.EXE0.04%
Top Children
- AcroRd32.exe74.65%
- msedgewebview2.exe20.15%
- Acrobat.exe4.78%
- WerFault.exe0.13%
- chrome.exe0.06%
- firefox.exe0.01%
Ask Rocky about prevhost.exe
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This page is the Team-tier API record for prevhost.exe. The free tier returns the summary, 500 lookups a month. Or ask Rocky.