A0037455.exe threat report

MD5 21fd644cec8663a857bb62162e05b3b8
Latest seen 2021-01-07 08:56:07 (5 years ago)
First seen 2017-06-08 13:12:31 (8 years ago)
Size 712 KB
Publisher CatalinaGroup Ltd.
Product Citrio

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as Adware.Downloader. 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.Downloader
Recommended action
Scan and remove
Last analysis
2021-01-07 08:56:07 (5 years ago)
File hash
21fd644cec8663a857bb62162e05b3b8
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Adware.Downloader.

Timeline

First seen 2017-06-08 13:12:31 (8 years ago); latest analysis 2021-01-07 08:56:07 (5 years ago).

Publisher context

Company metadata: CatalinaGroup Ltd.. Product metadata: Citrio.

Digital signature

Signed by Catalina Group Limited. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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.

A0037455.exe is a Windows file recorded in the ThreatInfo database. It is associated with Citrio. The reported company name is CatalinaGroup Ltd.. The current detection status is Adware.Downloader, based on the latest analysis from 2021-01-07 08:56:07 (5 years ago).

If A0037455.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 Adware.Downloader.

Product Name: Citrio
Company Name: CatalinaGroup Ltd.
MD5: 21fd644cec8663a857bb62162e05b3b8
Size: 712 KB
First Published: 2017-06-08 13:12:31 (8 years ago)
Latest Published: 2021-01-07 08:56:07 (5 years ago)
Status: Adware.Downloader (on last analysis)
Analysis Date: 2021-01-07 08:56:07 (5 years ago)
A0037455.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.

Signed By: Catalina Group Limited
Status: Valid

The signature on A0037455.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%\catalinagroup\citrio\application\50.0.2661.276
%profile%\bd\local settings\application data\catalinagroup\citrio\application\50.0.2661.276
%profile%\dministrateur\local settings\application data\catalinagroup\citrio\application\50.0.2661.276
%sysdrive%\system volume information\_restore{707e28ae-030b-44df-b89d-07076ebdcb41}\rp269
%localappdata%\catalinagroup\citrio\application
%sysdrive%\برامج\متصفحات جديدة\citrioportable
%sysdrive%\برامج\متصفحات جديدة\604kla821.rar\citrioportable
%profile%\ous\local settings\application data\catalinagroup\citrio\application
%sysdrive%\windows.old\users\samuel\appdata\local\catalinagroup\citrio\application
%sysdrive%\windows.old\users\samuel\appdata\local\catalinagroup\citrio\application\50.0.2661.276\installer\citrio.7z\citrio-bin

ThreatInfo has observed A0037455.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.

delegate_execute.exe
A0037440.exe
A0037455.exe

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

18.9%
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The strongest geographic signal for this file is Brazil with 18.9% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 47.9%
Windows 7 32.3%
Windows 8.1 13.5%
Windows XP 5.2%
Windows 8 1.0%

The most common operating system signal for A0037455.exe is Windows 10 with 47.9% 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.

A0037455.exe is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x00400000
Entry Address: 0x0003d15f

PE Sections:

Name Size of data MD5
.text 386048 b9de5b746931497a61e4272254c3ca74
.rdata 311808 10fb86ea61c601e1be9f8d3d52fe9eac
.data 7680 b6c42a3e560342816865625b63e17085
.tls 512 bf619eac0cdf3f68d496ea9344137e8b
_RDATA 512 6a4d701a80c9128ba46180eb8218a58f
.rsrc 2560 8df1c785563ddc7460fe2ac57a2f6ebb
.reloc 15872 b6477a03c0b7062667cd92dd1b22355d

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.

More information: