GridinSoft Threat Intelligence

jmcr.sys file report

Under review File reputation report
MD5 cec23d1c7c5a0e4a1d6523a58bd2af81
Latest seen 2021-01-09 23:24:24 (5 years ago)
First seen 2021-01-09 22:29:49 (5 years ago)
Size 145 KB
Publisher JMicron Technology Corporation
Product JMicron PCIe Flash Media Controller Driver
Signed by JMicron Technology Corp.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-01-09 22:29:49 (5 years ago); latest analysis 2021-01-09 23:24:24 (5 years ago).

Publisher context

Company metadata: JMicron Technology Corporation. Product metadata: JMicron PCIe Flash Media Controller Driver.

Digital signature

Signed by JMicron Technology Corp.. The signature is reported as valid, but signed files can still be bundled or abused.

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.

File context

jmcr.sys is a Windows file recorded in the ThreatInfo database. It is associated with JMicron PCIe Flash Media Controller Driver. The reported company name is JMicron Technology Corporation. The current detection status is Undefined, based on the latest analysis from 2021-01-09 23:24:24 (5 years 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

Product Name: JMicron PCIe Flash Media Controller Driver
Company Name: JMicron Technology Corporation
MD5: cec23d1c7c5a0e4a1d6523a58bd2af81
Size: 145 KB
First Published: 2021-01-09 22:29:49 (5 years ago)
Latest Published: 2021-01-09 23:24:24 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-09 23:24:24 (5 years ago)

Overview

Signed By: JMicron Technology Corp.
Status: Valid

The signature on jmcr.sys 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%\slimware utilities inc\slimdrivers\backups\20140314t144936551292\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20181024t150454895719\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20181023t154808984083\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20141117t183756674484\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20140314t144827236552\pci

ThreatInfo has observed jmcr.sys 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.

Geographic signal

Observed country distribution

ThreatInfo has seen jmcr.sys across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Iraq
Share 100.0%
Low High activity

The strongest geographic signal for this file is Iraq with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 100.0%

The most common operating system signal for jmcr.sys is Windows 7 with 100.0% 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.

Analysis

jmcr.sys is identified as pe for 32-bit systems. The subsystem is Native. 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 Native
Entry point 0x0002203e
Image base 0x00010000

PE Sections:

Sections 6
Raw data 138752

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

.text 126464 bytes · 91.1% of section data
MD5 7fd963900d02c9704a890df1c5d025f8
.rdata 2560 bytes · 1.8% of section data
MD5 74402f60989ca14c32a1bdef31f43060
.data 2048 bytes · 1.5% of section data
MD5 d56f822925b3bb5e78d64aed41292208
INIT 2560 bytes · 1.8% of section data
Uncommon name
MD5 bdaa9a338d9e1bffd165b4f438a0f32d
.rsrc 1536 bytes · 1.1% of section data
MD5 5e93816f794e98374584defdb64322d6
.reloc 3584 bytes · 2.6% of section data
MD5 7bd606cd807ef2497e2bfb285dd40ab1

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 cec23d1c7c5a0e4a1d6523a58bd2af81.
  • 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.