GridinSoft Threat Intelligence
backup_shell_x64.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.ELEX. 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.ELEX
- Recommended action
- Scan and remove
- Last analysis
- 2022-02-23 23:10:44 (4 years ago)
- File hash
- 2531ab728da81a5dc0cb7f906a6b4923
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.ELEX, part of the Adware threat category.
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.
First seen 2022-02-23 23:10:44 (4 years ago); latest analysis 2022-02-23 23:10:44 (4 years ago).
Company metadata: 广东一一五科技股份有限公司. Product metadata: 115 shell扩展程序.
Signed by 广东一一五科技股份有限公司. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- 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.
File context
backup_shell_x64.dll is a Windows file recorded in the ThreatInfo database. It is associated with 115 shell扩展程序. The reported company name is 广东一一五科技股份有限公司. The current detection status is Adware.ELEX, based on the latest analysis from 2022-02-23 23:10:44 (4 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If backup_shell_x64.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.ELEX.
File Details
| Product Name: | 115 shell扩展程序 |
| Company Name: | 广东一一五科技股份有限公司 |
| MD5: | 2531ab728da81a5dc0cb7f906a6b4923 |
| Size: | 1 MB |
| First Published: | 2022-02-23 23:10:44 (4 years ago) |
| Latest Published: | 2022-02-23 23:10:44 (4 years ago) |
| Status: | Adware.ELEX (on last analysis) | |
| Analysis Date: | 2022-02-23 23:10:44 (4 years ago) |
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.
Overview
| Signed By: | 广东一一五科技股份有限公司 |
| Status: | Valid |
The signature on backup_shell_x64.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.
Common Places:
| %localappdata%\115chrome\application |
ThreatInfo has observed backup_shell_x64.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.
Geographic signal
Observed country distribution
ThreatInfo has seen backup_shell_x64.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is China 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:
The most common operating system signal for backup_shell_x64.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.
Analysis
backup_shell_x64.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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
77ae07a82a865c2a4bc93173a4feeb0d
20fd741162d9eba217c1fe48977a48a4
f5455149a691c26d23475961b77251dc
73dcc3ee9c82edd82f985106240be780
93d556b3b2102042b7c35b539741cfba
ea199f2a8697425a8d5febc04c73a82f
52ab78cba459b8e5f6312741c5b05adb
ab743bf738eb67ec342f5ef324638c40
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.ELEX
This report identifies backup_shell_x64.dll by MD5 2531ab728da81a5dc0cb7f906a6b4923. 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.