GridinSoft Threat Intelligence

Runtm.dll threat report

Detected as Trojan.ExtHeur! File reputation report
MD5 8d4146c3c1eff93e2c9d72112e461ea6
Latest seen 2022-09-04 23:19:58 (3 years ago)
First seen 2022-09-04 23:19:58 (3 years ago)
Size 1 MB
Publisher ZiYuXuan Studio

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Trojan.ExtHeur!. 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
Trojan.ExtHeur!
Recommended action
Scan and remove
Last analysis
2022-09-04 23:19:58 (3 years ago)
File hash
8d4146c3c1eff93e2c9d72112e461ea6
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.ExtHeur!.

Timeline

First seen 2022-09-04 23:19:58 (3 years ago); latest analysis 2022-09-04 23:19:58 (3 years ago).

Publisher context

Company metadata: ZiYuXuan Studio. Product metadata: DNGuard HVM Runtime Library.

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. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.

Runtm.dll is a Windows file recorded in the ThreatInfo database. It is associated with DNGuard HVM Runtime Library. The reported company name is ZiYuXuan Studio. The current detection status is Trojan.ExtHeur!, based on the latest analysis from 2022-09-04 23:19:58 (3 years ago).

If Runtm.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 Trojan.ExtHeur!.

Product Name: DNGuard HVM Runtime Library
Company Name: ZiYuXuan Studio
MD5: 8d4146c3c1eff93e2c9d72112e461ea6
Size: 1 MB
First Published: 2022-09-04 23:19:58 (3 years ago)
Latest Published: 2022-09-04 23:19:58 (3 years ago)
Status: Trojan.ExtHeur! (on last analysis)
Analysis Date: 2022-09-04 23:19:58 (3 years ago)
Runtm.dll 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.

%profile%\downloads\7f69302c-e531-4981-8d8d-ba183d482cab\updatetemp

ThreatInfo has observed Runtm.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 10 100.0%

The most common operating system signal for Runtm.dll is Windows 10 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.

Runtm.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 0x0002a431
Image base 0x10000000

PE Sections:

Sections 6
Raw data 1646592

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

.text 241664 bytes · 14.7% of section data
MD5 6d9e4484939a25926cfc5f1e835a73b5
.rdata 73728 bytes · 4.5% of section data
MD5 1ce2df5fdddb56a83466e5163ea04b4f
.data 20480 bytes · 1.2% of section data
MD5 b8ad54a7d3606f1191607efd93682659
.hvm0 1277952 bytes · 77.6% of section data
Uncommon name
MD5 d7169c97c0ea62a930fa5965d4e418eb
.reloc 28672 bytes · 1.7% of section data
MD5 54a48090619ebea6d5410759d2acf6cb
.rsrc 4096 bytes · 0.2% of section data
MD5 6dd05beb62c8dea7d376a16b6c96defc

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 Trojan.ExtHeur!

This report identifies Runtm.dll by MD5 8d4146c3c1eff93e2c9d72112e461ea6. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 8d4146c3c1eff93e2c9d72112e461ea6.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found.