GridinSoft Threat Intelligence

BigUpgrade_IU12_3.exe threat report

Detected as PUP.SystemOptimizer File reputation report
MD5 ab2269790d8d1787b530028e8d224906
Latest seen 2023-06-01 23:24:26 (2 years ago)
First seen 2023-06-01 23:24:26 (2 years ago)
Size 3 MB
Publisher IObit
Product Uninstaller
Signed by IObit CO., LTD

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.SystemOptimizer. 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.SystemOptimizer
Recommended action
Scan and remove
Last analysis
2023-06-01 23:24:26 (2 years ago)
File hash
ab2269790d8d1787b530028e8d224906
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.SystemOptimizer.

Timeline

First seen 2023-06-01 23:24:26 (2 years ago); latest analysis 2023-06-01 23:24:26 (2 years ago).

Publisher context

Company metadata: IObit. Product metadata: Uninstaller.

Digital signature

Signed by IObit 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.

File context

BigUpgrade_IU12_3.exe is a Windows file recorded in the ThreatInfo database. It is associated with Uninstaller. The reported company name is IObit. The current detection status is PUP.SystemOptimizer, based on the latest analysis from 2023-06-01 23:24:26 (2 years ago).

If BigUpgrade_IU12_3.exe 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.SystemOptimizer.

File Details

Product Name: Uninstaller
Company Name: IObit
MD5: ab2269790d8d1787b530028e8d224906
Size: 3 MB
First Published: 2023-06-01 23:24:26 (2 years ago)
Latest Published: 2023-06-01 23:24:26 (2 years ago)
Status: PUP.SystemOptimizer (on last analysis)
Analysis Date: 2023-06-01 23:24:26 (2 years ago)

Detection screenshot

BigUpgrade_IU12_3.exe 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: IObit CO., LTD
Status: Valid

The signature on BigUpgrade_IU12_3.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.

Common Places:

%programfiles%\iobit

ThreatInfo has observed BigUpgrade_IU12_3.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.

Geography:

1 observed countries
100.0%

The strongest geographic signal for this file is Argentina 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:

Windows 10 100.0%

The most common operating system signal for BigUpgrade_IU12_3.exe 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

BigUpgrade_IU12_3.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 0x0016d860
Image base 0x00400000

PE Sections:

Sections 9
Raw data 3879424

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

.text 1486848 bytes · 38.3% of section data
MD5 4995f3dfb15839121ddb6919935ccd2d
.itext 9216 bytes · 0.2% of section data
Uncommon name
MD5 a1b761ae4591070a325ee2c13b51e62f
.data 53248 bytes · 1.4% of section data
MD5 7f70dc97c9e15c6fd64aab7ffada877b
.bss 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.idata 92672 bytes · 2.4% of section data
MD5 8f96de23df8b8cad8c1908abb2551b24
.tls 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.rdata 512 bytes · 0.0% of section data
MD5 1a12e1ac29f34ad7e6472614f62ebd25
.reloc 94720 bytes · 2.4% of section data
MD5 4121fdbc7cdddeecfeb37596782e2fad
.rsrc 2142208 bytes · 55.2% of section data
MD5 56749b796cf876bbe8e9bf98989e52c7

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.SystemOptimizer

This report identifies BigUpgrade_IU12_3.exe by MD5 ab2269790d8d1787b530028e8d224906. 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 ab2269790d8d1787b530028e8d224906.
  • 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.