GridinSoft Threat Intelligence

bJA91bpE.sys threat report

Detected as Suspicious Object File reputation report
MD5 9a707310177f16d40f7678d91821aa1a
Latest seen 2023-09-04 23:45:09 (2 years ago)
First seen 2023-08-22 23:01:46 (2 years ago)
Size 1 MB
Publisher Netease

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Suspicious Object. 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
Suspicious Object
Recommended action
Scan and remove
Last analysis
2023-09-04 23:45:09 (2 years ago)
File hash
9a707310177f16d40f7678d91821aa1a
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Suspicious Object, part of the Susp threat category.

Category context

Suspicious files with signals that require additional review before trust. Related Susp reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2023-08-22 23:01:46 (2 years ago); latest analysis 2023-09-04 23:45:09 (2 years ago).

Publisher context

Company metadata: Netease. Product metadata: Netease AcFilter.

Digital signature

Signed by NetEase (Hangzhou) Network Co., Ltd;Microsoft Windows Hardware Compatibility Publisher. 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 Susp category for related samples and common context.

bJA91bpE.sys is a Windows file recorded in the ThreatInfo database. It is associated with Netease AcFilter. The reported company name is Netease. The current detection status is Suspicious Object, based on the latest analysis from 2023-09-04 23:45:09 (2 years ago). ThreatInfo groups this verdict with Susp reports for broader family-level investigation.

If bJA91bpE.sys 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 Suspicious Object.

Product Name: Netease AcFilter
Company Name: Netease
MD5: 9a707310177f16d40f7678d91821aa1a
Size: 1 MB
First Published: 2023-08-22 23:01:46 (2 years ago)
Latest Published: 2023-09-04 23:45:09 (2 years ago)
Status: Suspicious Object (on last analysis)
Analysis Date: 2023-09-04 23:45:09 (2 years ago)
bJA91bpE.sys 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 bJA91bpE.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.

%windir%

ThreatInfo has observed bJA91bpE.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.

Windows 10 100.0%

The most common operating system signal for bJA91bpE.sys 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.

bJA91bpE.sys is identified as pe for 64-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 64-bit
Subsystem Native
Entry point 0x001b7160
Image base 0x0000000140000000

PE Sections:

Sections 11
Raw data 1529856

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

.text 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.rdata 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.data 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.pdata 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
PAGE 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
INIT 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
.se0 0 bytes · 0.0% of section data
Uncommon name
MD5 d41d8cd98f00b204e9800998ecf8427e
.se1 1536 bytes · 0.1% of section data
Uncommon name
MD5 8277b51b4df2f08c9f66d326efbac79f
.se2 1521664 bytes · 99.5% of section data
Uncommon name
MD5 2e95517d3f18bd48a513368a48a90047
.reloc 5632 bytes · 0.4% of section data
MD5 b2d2adf884c3c9297ea714ee9f4c22c2
.rsrc 1024 bytes · 0.1% of section data
MD5 5342dca02ab38442356772635923a6e4

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 Suspicious Object

This report identifies bJA91bpE.sys by MD5 9a707310177f16d40f7678d91821aa1a. It is part of the Susp 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 9a707310177f16d40f7678d91821aa1a.
  • 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 Susp category to compare similar reports.