Loader.rar Trojan CoinMiner Analysis

Updated 2 years ago

Checked by Malware Check

Loader.rar

Technical Analysis

File Name	Loader.rar
File Type	RAR archive data, v5
Scanner Version	1.0.155.174
Database Version	2024-01-25 00:03:03 UTC

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Trojan.Win32.CoinMiner.oa!s1

Malware family: CoinMiner

CoinMiner malware utilizes system resources including CPU and RAM for unauthorized cryptocurrency mining. It establishes persistence through startup integration and may use resource management techniques to avoid detection while mining currencies like Monero or Zcash.

N/A

Detection Rate

11,001,583

File Size (bytes)

2024-01-25

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	c498c108b23eed6e3192552fd9e50e9b
SHA1	4f8d8f538f097d695b718845155f730b872aa649
SHA256	7fa6a46ef70966a4541728d2ccc2f9b2cf5f5985d9d5fc87f8f3738373d88861
SHA512	22545e4bde2ef832f46a6dbc0fded465db202593952e7641bb4f3308a110650098bb76065fd84cc1423aa91d3b80d348bb9294122d98f969370508450aebd112

Trojan.Win32.CoinMiner.oa!s1 Removal

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

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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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