diff --git a/CMakeLists.txt b/CMakeLists.txt
index 18bc0157..eb49b31e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -558,6 +558,7 @@ target_link_libraries(test-emulator PRIVATE emulator)
 add_executable(test-fisherman
         test/fisherman/tests.cpp
         test/fisherman/block_manipulator/header_corrupter.cpp
+        test/fisherman/block_manipulator/transaction_corrupter.cpp
         test/fisherman/block_manipulator/factory.cpp
         test/fisherman/block_reader.cpp
         test/fisherman/utils.cpp
diff --git a/test/fisherman/block_manipulator/factory.cpp b/test/fisherman/block_manipulator/factory.cpp
index 17a49f32..474f1304 100644
--- a/test/fisherman/block_manipulator/factory.cpp
+++ b/test/fisherman/block_manipulator/factory.cpp
@@ -1,6 +1,7 @@
 #include "factory.hpp"
 
 #include "header_corrupter.hpp"
+#include "transaction_corrupter.hpp"
 
 namespace test::fisherman {
 
@@ -22,6 +23,9 @@ auto ManipulatorFactory::createImpl(td::JsonValue jv) -> td::Result<std::shared_
   if (type == "HeaderCorrupter") {
     return std::make_shared<HeaderCorrupter>(HeaderCorrupter::Config::fromJson(std::move(json_config)));
   }
+  if (type == "TransactionCorrupter") {
+    return std::make_shared<TransactionCorrupter>(TransactionCorrupter::Config::fromJson(std::move(json_config)));
+  }
   return td::Status::Error(400, PSLICE() << "Unknown manipulator type: " << type);
 }
 
diff --git a/test/fisherman/block_manipulator/header_corrupter.hpp b/test/fisherman/block_manipulator/header_corrupter.hpp
index 4978252d..43c9a84d 100644
--- a/test/fisherman/block_manipulator/header_corrupter.hpp
+++ b/test/fisherman/block_manipulator/header_corrupter.hpp
@@ -3,7 +3,6 @@
 #include "base.hpp"
 
 #include "td/utils/JsonBuilder.h"
-#include "block/block-auto.h"
 
 namespace test::fisherman {
 
diff --git a/test/fisherman/block_manipulator/transaction_corrupter.cpp b/test/fisherman/block_manipulator/transaction_corrupter.cpp
new file mode 100644
index 00000000..eff98faf
--- /dev/null
+++ b/test/fisherman/block_manipulator/transaction_corrupter.cpp
@@ -0,0 +1,67 @@
+#include "transaction_corrupter.hpp"
+
+#include "block-parse.h"
+
+namespace test::fisherman {
+
+auto TransactionCorrupter::Config::fromJson(td::JsonValue jv) -> Config {
+  Config cfg;
+  CHECK(jv.type() == td::JsonValue::Type::Object);
+  auto& obj = jv.get_object();
+  cfg.transaction_fee_change = td::get_json_object_long_field(obj, "transaction_fee_change", false).move_as_ok();
+  return cfg;
+}
+
+TransactionCorrupter::TransactionCorrupter(Config config) : config_(std::move(config)) {
+}
+
+void TransactionCorrupter::modify(block::gen::Block::Record& block) {
+  block::gen::BlockExtra::Record block_extra_rec;
+  CHECK(block::gen::BlockExtra().cell_unpack(block.extra, block_extra_rec));
+
+  block::gen::ShardAccountBlocks::Record shard_account_blocks;
+  CHECK(block::gen::ShardAccountBlocks().cell_unpack(block_extra_rec.account_blocks, shard_account_blocks));
+
+  vm::AugmentedDictionary accounts_dict{shard_account_blocks.x, 256, block::tlb::aug_ShardAccountBlocks};
+  vm::AugmentedDictionary new_accounts_dict{256, block::tlb::aug_ShardAccountBlocks};
+
+  accounts_dict.check_for_each_extra(
+      [&](td::Ref<vm::CellSlice> account_slice, auto const&, td::ConstBitPtr account_key, int account_key_len) -> bool {
+        block::gen::AccountBlock::Record account_block_rec;
+        CHECK(block::gen::AccountBlock().unpack(account_slice.write(), account_block_rec));
+        vm::AugmentedDictionary tx_dict{vm::DictNonEmpty(), account_block_rec.transactions, 64,
+                                        block::tlb::aug_AccountTransactions};
+        vm::AugmentedDictionary new_tx_dict{64, block::tlb::aug_AccountTransactions};
+
+        CHECK(tx_dict.check_for_each_extra(
+            [&](td::Ref<vm::CellSlice> tx_slice, auto const&, td::ConstBitPtr tx_key, int tx_key_len) -> bool {
+              block::gen::Transaction::Record tx_rec;
+              if (block::gen::Transaction().cell_unpack(tx_slice.write().fetch_ref(), tx_rec)) {
+                block::CurrencyCollection tx_currency_rec;
+                CHECK(tx_currency_rec.validate_unpack(tx_rec.total_fees));
+                tx_currency_rec.grams += config_.transaction_fee_change;
+                tx_currency_rec.pack_to(tx_rec.total_fees);
+
+                td::Ref<vm::Cell> new_tx_cell;
+                CHECK(block::gen::Transaction().cell_pack(new_tx_cell, tx_rec));
+                new_tx_dict.set_ref(tx_key, tx_key_len, new_tx_cell, vm::Dictionary::SetMode::Add);
+              }
+              return true;
+            },
+            false));
+
+        account_block_rec.transactions.write() = vm::load_cell_slice(new_tx_dict.get_root_cell());
+
+        vm::CellBuilder cb2;
+        CHECK(block::gen::AccountBlock().pack(cb2, account_block_rec));
+        new_accounts_dict.set(account_key, account_key_len, cb2.finalize(), vm::Dictionary::SetMode::Add);
+
+        return true;
+      },
+      false);
+  shard_account_blocks.x = new_accounts_dict.get_root();
+  CHECK(block::gen::ShardAccountBlocks().cell_pack(block_extra_rec.account_blocks, shard_account_blocks));
+  CHECK(block::gen::BlockExtra().cell_pack(block.extra, block_extra_rec));
+}
+
+}  // namespace test::fisherman
diff --git a/test/fisherman/block_manipulator/transaction_corrupter.hpp b/test/fisherman/block_manipulator/transaction_corrupter.hpp
new file mode 100644
index 00000000..49a1d0e3
--- /dev/null
+++ b/test/fisherman/block_manipulator/transaction_corrupter.hpp
@@ -0,0 +1,25 @@
+#pragma once
+
+#include "base.hpp"
+
+#include "td/utils/JsonBuilder.h"
+
+namespace test::fisherman {
+
+class TransactionCorrupter : public BaseManipulator {
+ public:
+  struct Config {
+    // TODO: add corruption fields and associate this manipulator with another to achieve more complex block corruptions
+    td::int64 transaction_fee_change;
+
+    static auto fromJson(td::JsonValue jv) -> Config;
+  };
+
+  explicit TransactionCorrupter(Config config);
+  void modify(block::gen::Block::Record &block) final;
+
+ private:
+  Config config_;
+};
+
+}  // namespace test::fisherman