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Mailer_869.exe Trojan Packed Analysis

Technical Analysis

File Name Mailer_869.exe
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.222.174
Database Version 2025-08-01 22:00:20 UTC

Trojan.Win32.Packed.cld

Malware family: Packed

Packed malware uses compression, encryption, or obfuscation techniques to alter code appearance and evade security detection. These methods modify the original malware structure to bypass signature-based detection systems and complicate analysis efforts.
N/A
Detection Rate
7,340,032
File Size (bytes)
2025-08-01
Analysis Date

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File Identification

Hash Type Value Action
MD5
68906b7bb241fcb24bcd0610d382193c
SHA1
7a694bda46e15013eff2026e4ea40da679ac8c9c
SHA256
a481c4914a018c8c844eda713b3304eaa38bc8e174962c57917bc018e0caa3de
SHA512
c487b32881e74df49f2f83e41968ae7709c08e6954197f0d1ee45beea026cf3f2a5a77904bb81056ba890b9609cdb2ab6366687de595ad5d927fb14862f0f26e
ImpHash
a1a3ed5eaa34f2ad91ab782d9ef1659b

PE Analysis

Basic Information

Icon
Hash: a9bcf1f5f224c0f558da3e7cadaca9e6
Fuzzy: c09748d3cf18780876d1c8443f79348c
dHash: c8e888d8e9eaf4f0
Image Base 0x00400000
Entry Point 0x0062ebae
Compilation Time 2027-02-02 05:49:39
Checksum 0x00284faf (Actual: 0x0070fdd4)
OS Version 5.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 19 libraries
Exports 0 functions
Resources 344 Resources
Sections 7 Sections

Version Information

CompanyName AtomPark Software Inc.
FileDescription Atomic Mail Sender 8, fast mass mailer
FileVersion 8.69.0.161
InternalName ams.exe
LegalCopyright (c) AtomPark Software Inc., 2001-2014. All rights reserved.
LegalTrademarks Atomic Mail Sender (tm), AtomPark (tm)
OriginalFilename AtomicMailSender.exe
ProductName Atomic Mail Sender
ProductVersion 8.69
Comments See www.amailsender.com for more info
Translation 0x0409 0x04e4

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
0x00001000 10,145,792 bytes 3,264,512 bytes 8.00 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE ACAE5135482FFC07BCA7CA7EA29DE738
0x009ae000 2,641,920 bytes 2,641,920 bytes 8.00 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE DE20443047B72EDB94401BDACAAAEE94
0x00c33000 8,192 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
0x00c35000 16,384 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.rsrc 0x00c39000 135,168 bytes 135,168 bytes 4.25 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE FBC30D845BA953374CBD3248B9B288C9
0x00c5a000 2,834,432 bytes 172,032 bytes 7.99 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D2412FCCF885DD06045F26BF955980DB
.datari 0x00f0e000 1,122,304 bytes 1,122,304 bytes 7.98 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 0A001037412219EFCB8D42D6E71160A5
Entropy Analysis Alert

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

Resource Analysis

Total Resources: 344 (1,933,582 bytes)
Resource Type Count Total Size Percentage
UNICODEDATA 6 167,861 bytes
8.7%
RT_CURSOR 22 11,176 bytes
0.6%
RT_BITMAP 111 72,018 bytes
3.7%
RT_ICON 6 22,384 bytes
1.2%
RT_DIALOG 3 276 bytes
0%
RT_STRING 84 86,716 bytes
4.5%
RT_RCDATA 87 1,570,667 bytes
81.2%
RT_GROUP_CURSOR 22 440 bytes
0%
RT_GROUP_ICON 1 90 bytes
0%
RT_VERSION 1 1,104 bytes
0.1%
RT_MANIFEST 1 850 bytes
0%

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.Packed.cld Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win32.Packed.cld without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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