GridinSoft Threat Intelligence

qiaocat.dll threat report

Detected as Adware.Agent File reputation report
MD5 279fea2445e85750ee53129968fa5a4e
Latest seen 2021-01-02 03:22:43 (5 years ago)
First seen 2021-01-02 03:22:43 (5 years ago)
Size 603 KB
Publisher QiaoYa
Product QiaoYa

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Adware.Agent. 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
Adware.Agent
Recommended action
Scan and remove
Last analysis
2021-01-02 03:22:43 (5 years ago)
File hash
279fea2445e85750ee53129968fa5a4e
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Adware.Agent, part of the Adware threat category.

Category context

Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2021-01-02 03:22:43 (5 years ago); latest analysis 2021-01-02 03:22:43 (5 years ago).

Publisher context

Company metadata: QiaoYa. Product metadata: QiaoYa.

Digital signature

Signed by 北京小树发芽网络科技有限公司. 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. Review the Adware category for related samples and common context.

qiaocat.dll is a Windows file recorded in the ThreatInfo database. It is associated with QiaoYa. The reported company name is QiaoYa. The current detection status is Adware.Agent, based on the latest analysis from 2021-01-02 03:22:43 (5 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.

If qiaocat.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 Adware.Agent.

Product Name: QiaoYa
Company Name: QiaoYa
MD5: 279fea2445e85750ee53129968fa5a4e
Size: 603 KB
First Published: 2021-01-02 03:22:43 (5 years ago)
Latest Published: 2021-01-02 03:22:43 (5 years ago)
Status: Adware.Agent (on last analysis)
Analysis Date: 2021-01-02 03:22:43 (5 years ago)
qiaocat.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.

The signature on qiaocat.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.

%appdata%

ThreatInfo has observed qiaocat.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 qiaocat.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.

qiaocat.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 0x0000efd8
Image base 0x10000000

PE Sections:

Sections 7
Raw data 599552

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

.text 464384 bytes · 77.5% of section data
MD5 e931ebb68943548266773c092f064063
.rdata 105984 bytes · 17.7% of section data
MD5 a1f038efea4e3377184c2e70028c3172
.data 5632 bytes · 0.9% of section data
MD5 2d31e8390d7fb4ead6fe820324369a7d
.gfids 512 bytes · 0.1% of section data
Uncommon name
MD5 3e2866a8dd51492b8010a036c1bbba38
.tls 512 bytes · 0.1% of section data
MD5 1f354d76203061bfdd5a53dae48d5435
.rsrc 2048 bytes · 0.3% of section data
MD5 d401f4094a52bab3a0fa73c92f3969d5
.reloc 20480 bytes · 3.4% of section data
MD5 00b027ae7098a75870d710325d16975c

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 Adware.Agent

This report identifies qiaocat.dll by MD5 279fea2445e85750ee53129968fa5a4e. It is part of the Adware report group. 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 279fea2445e85750ee53129968fa5a4e.
  • 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. Use the Adware category to compare similar reports.