GridinSoft Threat Intelligence

installer.exe file report

Under review File reputation report
MD5 d66544ce03c83ae2bab39ef311153619
Latest seen 2021-04-18 20:57:56 (5 years ago)
First seen 2021-04-18 20:57:56 (5 years ago)
Size 44 MB
Publisher UCWeb Inc.
Product UC浏览器

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-04-18 20:57:56 (5 years ago); latest analysis 2021-04-18 20:57:56 (5 years ago).

Publisher context

Company metadata: UCWeb Inc.. Product metadata: UC浏览器.

Digital signature

Signed by TAOBAO (CHINA) SOFTWARE 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. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

installer.exe is a Windows file recorded in the ThreatInfo database. It is associated with UC浏览器. The reported company name is UCWeb Inc.. The current detection status is Undefined, based on the latest analysis from 2021-04-18 20:57:56 (5 years ago).

ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.

Product Name: UC浏览器
Company Name: UCWeb Inc.
MD5: d66544ce03c83ae2bab39ef311153619
Size: 44 MB
First Published: 2021-04-18 20:57:56 (5 years ago)
Latest Published: 2021-04-18 20:57:56 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-04-18 20:57:56 (5 years ago)
Signed By: TAOBAO (CHINA) SOFTWARE CO.,LTD.
Status: Valid

The signature on installer.exe 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.

%localappdata%\ucbrowser

ThreatInfo has observed installer.exe 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 7 100.0%

The most common operating system signal for installer.exe is Windows 7 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.

installer.exe 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 0x000606d7
Image base 0x00400000

PE Sections:

Sections 6
Raw data 46351360

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

.text 509440 bytes · 1.1% of section data
MD5 3b8f9b19b1b704c26880cb59368c2bd7
.data 7680 bytes · 0.0% of section data
MD5 cd329fe31f0841fa2f2cb6b387530817
.idata 8704 bytes · 0.0% of section data
MD5 e3e84131bb6759d5a282e8bbd58f0dc7
.tls 512 bytes · 0.0% of section data
MD5 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 45806080 bytes · 98.8% of section data
Large raw data
MD5 cefcb23ecdc4f0549e3c89ce8f04d135
.reloc 18944 bytes · 0.0% of section data
MD5 47b6e9375166def8eddbafc2927d1fcf

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

This file is still under review

ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with d66544ce03c83ae2bab39ef311153619.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.