The left4dead2 exe File Malware Analysis

Technical Analysis

File Name	left4dead2.exe
File Type	PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version	1.0.229.174
Database Version	2025-12-01 01:00:37 UTC

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File Identification

Hash Type	Value	Action
MD5	4ee7389d3a5e46b8fbe30332a643d4db
SHA1	4ddc7d0ae597d5561179c1e97506a88849a1194f
SHA256	7cc2a5ec8b544b4f70ddbed3eb417cf3236237cf79a8599560375119e99835a6
SHA512	5da922767c7942c823c69904b06971b4c35b0572f063e4f76baf774700b89eac130b3f0687a375f543d6abcf6cae7f0fccd7ba658e3ac4a53288cbe395c22ed6
ImpHash	60fdf83a03bbfa0121d6a68d69eb4ef0

PE Analysis

Basic Information

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Icon	Hash: 1aec0af5d1d793689c7273de9523db59 Fuzzy: 5a71e1a724992062dce61d87239d1ae3 dHash: 9aca66d2d2c4cc91
Image Base	`0x00400000`
Entry Point	`0x00401841`
Compilation Time	2021-05-18 20:38:09
Checksum	0x0005ce48 (Actual: 0x0005ce48)
OS Version	5.1
PEiD Signatures	`PE32 executable (GUI) Intel 80386, for MS Windows`
PDB Path	`c:\buildslave\l4d2_rel_win32\build\src\launcher_main\Release\default.pdb`
Digital Signature	No valid SignedData structure was found.
Imports	2 libraries USER32, KERNEL32
Exports	0 functions
Resources	15 Resources
Sections	5 Sections

PE Sections

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Name	Virtual Address	Virtual Size	Raw Size	Entropy	Characteristics	MD5
`.text`	`0x00001000`	34,506 bytes	34,816 bytes	6.50 (Compressed)	`IMAGE_SCN_CNT_CODE\|IMAGE_SCN_MEM_EXECUTE\|IMAGE_SCN_MEM_READ`	`A189822163877F7147AC7377B4B27850`
`.rdata`	`0x0000a000`	9,350 bytes	9,728 bytes	4.76 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`E29F70BBFC98DAF267459D52FEC34FCC`
`.data`	`0x0000d000`	11,428 bytes	3,584 bytes	2.25 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ\|IMAGE_SCN_MEM_WRITE`	`37082634D54F545DCB19735BC4A7D470`
`.rsrc`	`0x00010000`	311,544 bytes	311,808 bytes	6.22 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_READ`	`5AB6EC8355C3B78A0DD29C6A2E9415ED`
`.reloc`	`0x0005d000`	3,944 bytes	4,096 bytes	4.01 (Normal)	`IMAGE_SCN_CNT_INITIALIZED_DATA\|IMAGE_SCN_MEM_DISCARDABLE\|IMAGE_SCN_MEM_READ`	`63893A2602D3FBE9865F2FC8131ED6BB`

Entropy Analysis Alert

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

Resource Analysis

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Total Resources: 15 (310,734 bytes)

Resource Type	Count	Total Size	Percentage
RT_ICON	13	310,248 bytes	99.8%
RT_GROUP_ICON	1	188 bytes	0.1%
RT_MANIFEST	1	298 bytes	0.1%

Certificate Chain Analysis

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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.

The left4dead2.exe File Analysis