Psrockola4.exe Trojan CoinMiner Analysis

Updated 1 year ago

Checked by Malware Check

psrockola4.exe

Technical Analysis

File Name	psrockola4.exe
File Type	PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version	1.0.185.174
Database Version	2024-08-29 15:00:36 UTC

⚠

Trojan.Win32.CoinMiner.vl!n

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

1,659,788

File Size (bytes)

2024-08-29

Analysis Date

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File Identification

Hash Type	Value	Action
MD5	ac20c47658b82e7592d22e19b73c140f
SHA1	f0423a6324bba0ec262a26273b0306a08619e935
SHA256	7b8aaa6eb1c0466167c01d9ad636475554ee14de43682a96191e20158b592097
SHA512	b6cea4b3a0255f3df616ac3964daf0d4d22c6484e885a247d4fe9edb0a1108ded11737e22038b11022b1f584312f212f501431cfa3e81386154faf5c1eb7e0aa
ImpHash	98f67c550a7da65513e63ffd998f6b2e

PE Analysis

Basic Information

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Icon	Hash: 7099d3367bdacf3cb9b6e592d970caa7 Fuzzy: ac6791639053597d38292d8c2a3d8c77 dHash: b8f8f0c4ccec7818
Image Base	`0x00400000`
Entry Point	`0x00403670`
Compilation Time	2011-06-14 19:01:16
Checksum	0x00000000 (Actual: 0x0019df27)
OS Version	4.0
PEiD Signatures	`PE32 executable (GUI) Intel 80386, for MS Windows`
Digital Signature	The PE file does not contain a certificate table.
Imports	1 libraries MSVBVM60
Exports	0 functions
Resources	3 Resources
Sections	3 Sections

Version Information

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Translation	0x0409 0x04b0
CompanyName	Microsoft
ProductName	Win
FileVersion	1.00
ProductVersion	1.00
InternalName	Win
OriginalFilename	Win.exe

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	173,864 bytes	176,128 bytes	5.96 (Normal)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`6210496901FEB00875F86DCCC0B63585`
`.data`	`0x0002c000`	7,028 bytes	4,096 bytes	0.00 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`620F0B67A91F7F74151BC5BE745B7110`
`.rsrc`	`0x0002e000`	77,824 bytes	77,824 bytes	7.90 (Packed/Encrypted)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`DBC2B41FD878E8FE2C76CE0C96B7648D`

Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

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Total Resources: 3 (3,800 bytes)

Resource Type	Count	Total Size	Percentage
RT_ICON	1	3,280 bytes	86.3%
RT_GROUP_ICON	1	20 bytes	0.5%
RT_VERSION	1	500 bytes	13.2%

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

The PE file does not contain a certificate table.

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

Trojan.Win32.CoinMiner.vl!n Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.CoinMiner.vl!n 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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