GridinSoft Threat Intelligence

avcodec-58.dll threat report

Detected as PUP.ChinAd File reputation report
MD5 2c5cdf93f3391bdec5ed4702f6bbdb2b
Latest seen 2024-11-05 23:01:46 (2 years ago)
First seen 2020-12-05 03:25:24 (5 years ago)
Size 1 MB

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.ChinAd. 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
PUP.ChinAd
Recommended action
Scan and remove
Last analysis
2024-11-05 23:01:46 (2 years ago)
File hash
2c5cdf93f3391bdec5ed4702f6bbdb2b
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.ChinAd.

Timeline

First seen 2020-12-05 03:25:24 (5 years ago); latest analysis 2024-11-05 23:01:46 (2 years ago).

Digital signature

Signed by Chengdu Qilu Technology Co. Ltd.. 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. 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.

avcodec-58.dll is a Windows file recorded in the ThreatInfo database. The current detection status is PUP.ChinAd, based on the latest analysis from 2024-11-05 23:01:46 (2 years ago).

If avcodec-58.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 PUP.ChinAd.

MD5: 2c5cdf93f3391bdec5ed4702f6bbdb2b
Size: 1 MB
First Published: 2020-12-05 03:25:24 (5 years ago)
Latest Published: 2024-11-05 23:01:46 (2 years ago)
Status: PUP.ChinAd (on last analysis)
Analysis Date: 2024-11-05 23:01:46 (2 years ago)
avcodec-58.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.

Signed By: Chengdu Qilu Technology Co. Ltd.
Status: Valid

The signature on avcodec-58.dll 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.

%programfiles%\ludashi\nbench

ThreatInfo has observed avcodec-58.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 avcodec-58.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.

avcodec-58.dll is identified as pe for 64-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 64-bit
Subsystem Windows GUI
Entry point 0x000e8300
Image base 0x0000000180000000

PE Sections:

Sections 6
Raw data 1361920

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

.text 1076736 bytes · 79.1% of section data
MD5 3f47a7191abcab3aa5ff0046e8589792
.rdata 242176 bytes · 17.8% of section data
MD5 3757919ce9903ef190b27b16018bcdd6
.data 6144 bytes · 0.5% of section data
MD5 8e7843700339b39a5a964fb331b18ab0
.pdata 28160 bytes · 2.1% of section data
MD5 76c8ef18222b214d9755c9b49b7a74cd
.reloc 7168 bytes · 0.5% of section data
MD5 c98333d72ee92c53d1ea56e1d2989ef9
.rsrc 1536 bytes · 0.1% of section data
MD5 d7fc1645be47a3a0877a3ba17734bc8d

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 PUP.ChinAd

This report identifies avcodec-58.dll by MD5 2c5cdf93f3391bdec5ed4702f6bbdb2b. 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 2c5cdf93f3391bdec5ed4702f6bbdb2b.
  • 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.