Dobrota_clean.exe Trojan Agent Analysis

Updated 1 day ago

Checked by Malware Check

dobrota_clean.exe

Technical Analysis

File Name	dobrota_clean.exe
File Type	PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version	1.0.250.174
Database Version	2026-07-28 15:00:34 UTC

⚠

Trojan.Win32.Agent.oa!s1

Malware family: Agent

Trojan Agent malware disguises itself as legitimate software while performing unauthorized activities including data theft and providing remote system access to threat actors.

N/A

Detection Rate

8,118,243

File Size (bytes)

2026-07-28

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	c8b999419a3c103270290e99189f794c
SHA1	90148745b61d2c77c1694e43f11faaa9a3d05a0a
SHA256	9093ff3bc7e78cfe84cadc3a993eeb1c15ce497e94efdcf51c1adcafd0aedf18
SHA512	6e95c693eef199c511c81052b1b4e9bdbd94bcd2fee2b16660ece026e86e3535c2389fe91049407842c2cad81ab9f0521865edb28708f961d804f32111d4c47c
ImpHash	fcf1390e9ce472c7270447fc5c61a0c1

PE Analysis

Basic Information

▼

Icon	Hash: 8d9da329386d64d6b86a12bd2f986399 Fuzzy: 9043363bfee17e0d508057b9ae7189e9 dHash: 84b4b4d4c4ccccc0
Image Base	`0x00400000`
Entry Point	`0x0041eef0`
Compilation Time	2021-06-11 09:16:47
Checksum	0x00000000 (Actual: 0x007c528b)
OS Version	5.1
PEiD Signatures	`PE32 executable (GUI) Intel 80386, for MS Windows`
PDB Path	`D:\Projects\WinRAR\sfx\build\sfxrar32\Release\sfxrar.pdb`
Digital Signature	No valid SignedData structure was found.
Imports	2 libraries KERNEL32, gdiplus
Exports	0 functions
Resources	27 Resources
Sections	6 Sections

PE Sections

▼

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	201,658 bytes	201,728 bytes	6.71 (Compressed)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`675B3D32E0449F24D266C11FD42C4E23`
`.rdata`	`0x00033000`	42,530 bytes	43,008 bytes	5.22 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`D1AE5A0175DFB925FC91111D5AEE7A6C`
`.data`	`0x0003e000`	145,192 bytes	4,096 bytes	3.71 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`201530C9E56F172ADF2473053298D48F`
`.didat`	`0x00062000`	396 bytes	512 bytes	3.36 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`B7F0FEDA7AB6671CB8B44734D1FC4180`
`.rsrc`	`0x00063000`	57,400 bytes	57,856 bytes	6.80 (Compressed)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`6B03C650714171923754371CBFD80E13`
`.reloc`	`0x00072000`	8,828 bytes	9,216 bytes	6.56 (Compressed)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_READ`	`C4082250C29091B2A6F872D68C8D91FF`

Entropy Analysis Alert

3 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

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Total Resources: 27 (55,770 bytes)

Resource Type	Count	Total Size	Percentage
PNG	2	8,430 bytes	15.1%
RT_ICON	7	38,113 bytes	68.3%
RT_DIALOG	6	2,958 bytes	5.3%
RT_STRING	10	4,290 bytes	7.7%
RT_GROUP_ICON	1	104 bytes	0.2%
RT_MANIFEST	1	1,875 bytes	3.4%

Certificate Chain Analysis

▼

No Digital Signatures

This file is not digitally signed.

Security Implications:

Cannot verify the publisher's identity
Increased security risk when running this file
May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Trojan.Win32.Agent.oa!s1 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Agent.oa!s1 without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

1
Get Gridinsoft Anti-Malware — it's a quick 2 MB download that won't slow down your PC.
2
Run the installer gsam-en-install.exe. The setup takes about 2 minutes and doesn't require a restart.
3
The app launches right after installation. You'll see the main dashboard with the scan button front and center.
4
Hit "Standard Scan" — this checks all the spots where malware typically hides: temp folders, browser data, startup programs, and system directories.
5
Once the scan finds this threat, click "Clean Now". The removal usually happens instantly, though some stubborn infections may need a reboot.
6
If you see a restart prompt, go ahead and reboot. This clears any malware that was running in memory and ensures your system starts fresh.

Important: Before You Start

Quick tip: unplug from the internet before scanning. Some malware phones home for instructions or downloads extra payloads when it senses trouble. If the infection is severe, boot into Safe Mode first — it limits what can run and makes cleanup easier.

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