GridinSoft Threat Intelligence

cook.dll file report

Under review File reputation report
MD5 fa220dae3898b8578c34791648321a38
Latest seen 2026-01-06 23:00:20 (4 months ago)
First seen 2017-05-21 04:03:44 (8 years ago)
Size 64 KB
Publisher RealNetworks, Inc.
Product RealPlayer 10

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 04:03:44 (8 years ago); latest analysis 2026-01-06 23:00:20 (4 months ago).

Publisher context

Company metadata: RealNetworks, Inc.. Product metadata: RealPlayer 10.

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.

cook.dll is a Windows file recorded in the ThreatInfo database. It is associated with RealPlayer 10. The reported company name is RealNetworks, Inc.. The current detection status is Undefined, based on the latest analysis from 2026-01-06 23:00:20 (4 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.

Product Name: RealPlayer 10
Company Name: RealNetworks, Inc.
MD5: fa220dae3898b8578c34791648321a38
Size: 64 KB
First Published: 2017-05-21 04:03:44 (8 years ago)
Latest Published: 2026-01-06 23:00:20 (4 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-01-06 23:00:20 (4 months ago)
%programfiles%\tencent\qqplayer\real
%programfiles%\haihaisoft universal player
%programfiles%\qvodplayer\codecs\real
%programfiles%\tencent\qqplayer\qvodctrls\codecs
%programfiles%\baofeng\encoder\codec\real\codecs
%programfiles%\funshion online\funshion
%appdata%\pplive\codec\1.0.0.2\real
%profile%\funshion\funshiontools\funshion1
%appdata%\360se6\npqvod\codecs\real
%programfiles%\tencent\qqplayer

ThreatInfo has observed cook.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.

Windows 7 48.0%
Windows 10 22.9%
Windows XP 19.7%
Windows 8.1 7.7%
Windows 8 1.3%
Windows Vista 0.2%
Windows Server 2012 R2 0.1%
Windows Embedded Standard 0.1%

The most common operating system signal for cook.dll is Windows 7 with 48.0% 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.

cook.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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x00007b30
Image base 0x60b50000

PE Sections:

Sections 5
Raw data 61440

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 28672 bytes · 46.7% of section data
MD5 77ae2376783995f02e11b69250357dca
.rdata 12288 bytes · 20.0% of section data
MD5 b75f9f144d9ba0bd5eef0dd762c9f40b
.data 8192 bytes · 13.3% of section data
MD5 6aa170d61d40149042a5fe3ac85ec648
.rsrc 8192 bytes · 13.3% of section data
MD5 82d659bed673e6983f483a4d3105eec9
.reloc 4096 bytes · 6.7% of section data
MD5 0d8340874180f5830478ac799ce72fe5

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

This file is still under review

ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with fa220dae3898b8578c34791648321a38.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.